Gem-Knights Deck Breakdown

Cards Usage Statistic

Main Deck

SR Rarity
Performage Trick Clown
SR Rarity
Performage Trick Clown
SR Rarity
Performage Trick Clown
LIGHT 4
Performage Trick Clown
  • ATK:

  • 1600

  • DEF:

  • 1200


If this card is sent to the GY: You can target 1 "Performage" monster in your GY; Special Summon it, but its ATK/DEF become 0, then you take 1000 damage. You can only use this effect of "Performage Trick Clown" once per turn.

N Rarity
Gem-Knight Tourmaline
N Rarity
Gem-Knight Tourmaline
N Rarity
Gem-Knight Tourmaline
EARTH 4
Gem-Knight Tourmaline
  • ATK:

  • 1600

  • DEF:

  • 1800


He channels mystic energies and changes them into fighting strength through the power of Tourmaline. Many admire his way of life.

UR Rarity
Brilliant Fusion
UR Rarity
Brilliant Fusion
UR Rarity
Brilliant Fusion
Spell Continuous
Brilliant Fusion

    When this card is activated: Fusion Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, using monsters from your Deck as Fusion Material, but change its ATK/DEF to 0. If this card leaves the field, destroy that monster. Once per turn: You can discard 1 Spell; the monster Special Summoned by this card's effect gains ATK/DEF equal to its original ATK/DEF, until the end of your opponent's turn. You can only activate 1 "Brilliant Fusion" per turn.

    UR Rarity
    Card of Fate
    UR Rarity
    Card of Fate
    UR Rarity
    Card of Fate
    Spell Normal
    Card of Fate

      Each player chooses 1 card from their Deck, then each player combines it with 4 additional random cards chosen from their Deck by their opponent, then randomly selects 1 of those 5 cards to reveal and add to their hand. Shuffle the rest back into the Decks. You can only activate 1 "Card of Fate" per turn.

      UR Rarity
      Chicken Game
      UR Rarity
      Chicken Game
      UR Rarity
      Chicken Game
      Spell Field
      Chicken Game

        The player with the lowest LP takes no damage. Once per turn, during the Main Phase: The turn player can pay 1000 LP, then activate 1 of these effects; ● Draw 1 card. ● Destroy this card. ● Your opponent gains 1000 LP. Neither player can activate cards or effects in response to this effect's activation.

        SR Rarity
        Contract with Don Thousand
        SR Rarity
        Contract with Don Thousand
        SR Rarity
        Contract with Don Thousand
        Spell Continuous
        Contract with Don Thousand

          When this card is activated: Both players lose 1000 LP, and if they do, each draws 1 card. All cards that are drawn while this card's effect is applied must remain revealed. While a player's Spell Card in their hand is revealed by this effect, that player cannot Normal Summon/Set monsters. You can only activate 1 "Contract with Don Thousand" per turn.

          UR Rarity
          Foolish Burial
          UR Rarity
          Foolish Burial
          UR Rarity
          Foolish Burial
          Spell Normal
          Foolish Burial

            Send 1 monster from your Deck to the GY.



            Tag(s):

            SR Rarity
            Gem-Knight Fusion
            SR Rarity
            Gem-Knight Fusion
            SR Rarity
            Gem-Knight Fusion
            Spell Normal
            Gem-Knight Fusion

              Fusion Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, using monsters from your hand or your side of the field as Fusion Materials. If this card is in your Graveyard: You can banish 1 "Gem-Knight" monster from your Graveyard; add this card to your hand.

              SR Rarity
              Into the Void
              SR Rarity
              Into the Void
              SR Rarity
              Into the Void
              Spell Normal
              Into the Void

                If you have 3 or more cards in your hand: Draw 1 card, and if you do, during the End Phase of this turn, discard your entire hand.

                SR Rarity
                Pot of Desires
                SR Rarity
                Pot of Desires
                SR Rarity
                Pot of Desires
                Spell Normal
                Pot of Desires

                  Banish 10 cards from the top of your Deck, face-down; draw 2 cards. You can only activate 1 "Pot of Desires" per turn.



                  Tag(s):

                  SR Rarity
                  Reasoning
                  SR Rarity
                  Reasoning
                  SR Rarity
                  Reasoning
                  Spell Normal
                  Reasoning

                    Your opponent declares a monster Level from 1 to 12. Excavate cards from the top of your Deck until you excavate a monster that can be Normal Summoned/Set, then, if that monster is the same Level as the one declared by your opponent, send all excavated cards to the GY. If not, Special Summon the excavated monster, also send the remaining cards to the GY.

                    UR Rarity
                    Upstart Goblin
                    UR Rarity
                    Upstart Goblin
                    UR Rarity
                    Upstart Goblin
                    Spell Normal
                    Upstart Goblin

                      Draw 1 card, then your opponent gains 1000 LP.

                      Extra Deck

                      SR Rarity
                      Gem-Knight Seraphinite
                      SR Rarity
                      Gem-Knight Seraphinite
                      SR Rarity
                      Gem-Knight Seraphinite
                      EARTH 5
                      Gem-Knight Seraphinite
                      • ATK:

                      • 2300

                      • DEF:

                      • 1400


                      1 "Gem-Knight" monster + 1 LIGHT monster Must first be Fusion Summoned with the above Fusion Materials. During your Main Phase, you can Normal Summon/Set 1 monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)

                      Need 9 UR

                      UR Rarity
                      Nibiru, the Primal Being1 card
                      UR Rarity
                      Gem-Knight Lady Brilliant Diamond1 card
                      UR Rarity
                      Gem-Knight Lady Rose Diamond1 card
                      UR Rarity
                      Gem-Knight Master Diamond3 card
                      UR Rarity
                      Brilliant Fusion1 card
                      UR Rarity
                      Harpie's Feather Duster1 card
                      UR Rarity
                      Heavy Storm1 card

                      Main: 40 Extra: 15

                      N Rarity
                      2 cardBrilliant Rose
                      N Rarity
                      2 cardBrilliant Rose
                      Brilliant Rose
                      LIGHT 2
                      Brilliant Rose
                      • ATK:

                      • 500

                      • DEF:

                      • 500


                      (This card is always treated as a "Gem-Knight" card.) You can discard 1 "Gem-Knight" or "Melodious" card; Special Summon this card from your hand. You can only use this effect of "Brilliant Rose" once per turn. Once per turn: You can send 1 "Gem-Knight" or "Melodious" monster from your Extra Deck to the GY; until the End Phase, this card's name/Type/Attribute become the same as the original name/Type/Attribute of the monster sent to the GY to activate this effect.


                      N Rarity
                      2 cardCrystal Rose
                      N Rarity
                      2 cardCrystal Rose
                      Crystal Rose
                      LIGHT 2
                      Crystal Rose
                      • ATK:

                      • 500

                      • DEF:

                      • 500


                      Once per turn: You can send 1 "Gem-Knight" or "Melodious" monster from your hand or Deck to the Graveyard, and if you do, this card's name becomes the sent monster's name, until the End Phase. If this card is in your Graveyard: You can banish 1 Fusion Monster from your Graveyard; Special Summon this card in Defense Position. You can only use this effect of "Crystal Rose" once per turn.


                      N Rarity
                      3 cardGem-Armadillo
                      N Rarity
                      3 cardGem-Armadillo
                      Gem-Armadillo
                      EARTH 4
                      Gem-Armadillo
                      • ATK:

                      • 1700

                      • DEF:

                      • 500


                      When this card is Normal Summoned: You can add 1 "Gem-Knight" monster from your Deck to your hand.


                      R Rarity
                      3 cardGem-Knight Lazuli
                      R Rarity
                      3 cardGem-Knight Lazuli
                      Gem-Knight Lazuli
                      EARTH 1
                      Gem-Knight Lazuli
                      • ATK:

                      • 600

                      • DEF:

                      • 100


                      If this card is sent to the Graveyard by a card effect: You can target 1 Normal Monster in your Graveyard; add that target to your hand.


                      R Rarity
                      2 cardGem-Knight Obsidian
                      R Rarity
                      2 cardGem-Knight Obsidian
                      Gem-Knight Obsidian
                      EARTH 3
                      Gem-Knight Obsidian
                      • ATK:

                      • 1500

                      • DEF:

                      • 1200


                      If this card is sent from the hand to your Graveyard: You can target 1 Level 4 or lower Normal Monster in your Graveyard; Special Summon that target.


                      SR Rarity
                      3 cardGem-Knight Quartz
                      SR Rarity
                      3 cardGem-Knight Quartz
                      Gem-Knight Quartz
                      EARTH 4
                      Gem-Knight Quartz
                      • ATK:

                      • 1500

                      • DEF:

                      • 1500


                      If your opponent controls a monster: You can discard this card; Set 1 "Fusion" Continuous Spell directly from your Deck, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except "Gem-Knight" monsters. If this card is used as material for a Fusion Summon, and sent to the GY or banished: You can add 1 "Gem-Knight" monster from your GY to your hand, except "Gem-Knight Quartz". You can only use each effect of "Gem-Knight Quartz" once per turn.


                      UR Rarity
                      1 cardNibiru, the Primal Being
                      UR Rarity
                      1 cardNibiru, the Primal Being
                      Nibiru, the Primal Being
                      LIGHT 11
                      Nibiru, the Primal Being
                      • ATK:

                      • 3000

                      • DEF:

                      • 600


                      During the Main Phase, if your opponent Normal or Special Summoned 5 or more monsters this turn (Quick Effect): You can Tribute as many face-up monsters on the field as possible, and if you do, Special Summon this card from your hand, then Special Summon 1 "Primal Being Token" (Rock/LIGHT/Level 11/ATK ?/DEF ?) to your opponent's field. (This Token's ATK/DEF become the combined original ATK/DEF of the Tributed monsters.) You can only use this effect of "Nibiru, the Primal Being" once per turn.


                      N Rarity
                      3 cardGem-Knight Lapis
                      N Rarity
                      3 cardGem-Knight Lapis
                      Gem-Knight Lapis
                      EARTH 3
                      Gem-Knight Lapis
                      • ATK:

                      • 1200

                      • DEF:

                      • 100


                      The best of friends with Lazuli, this soldier deeply cares about the well-being of her friends.


                      N Rarity
                      2 cardGem-Knight Tourmaline
                      N Rarity
                      2 cardGem-Knight Tourmaline
                      Gem-Knight Tourmaline
                      EARTH 4
                      Gem-Knight Tourmaline
                      • ATK:

                      • 1600

                      • DEF:

                      • 1800


                      He channels mystic energies and changes them into fighting strength through the power of Tourmaline. Many admire his way of life.


                      SR Rarity
                      3 cardAdamancipator Researcher
                      SR Rarity
                      3 cardAdamancipator Researcher
                      Adamancipator Researcher
                      EARTH 2
                      Adamancipator Researcher
                      • ATK:

                      • 100

                      • DEF:

                      • 2100


                      If you control a Rock monster, except "Adamancipator Researcher": You can Special Summon this card from your hand. During your Main Phase: You can excavate the top 5 cards of your Deck, and if you do, you can Special Summon 1 excavated Level 4 or lower non-Tuner Rock monster, also place the rest on the bottom of your Deck in any order. You can only use each effect of "Adamancipator Researcher" once per turn.


                      UR Rarity
                      1 cardBrilliant Fusion
                      UR Rarity
                      1 cardBrilliant Fusion
                      Brilliant Fusion
                      Spell Continuous
                      Brilliant Fusion

                        When this card is activated: Fusion Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, using monsters from your Deck as Fusion Material, but change its ATK/DEF to 0. If this card leaves the field, destroy that monster. Once per turn: You can discard 1 Spell; the monster Special Summoned by this card's effect gains ATK/DEF equal to its original ATK/DEF, until the end of your opponent's turn. You can only activate 1 "Brilliant Fusion" per turn.


                        SR Rarity
                        1 cardContract with Don Thousand
                        SR Rarity
                        1 cardContract with Don Thousand
                        Contract with Don Thousand
                        Spell Continuous
                        Contract with Don Thousand

                          When this card is activated: Both players lose 1000 LP, and if they do, each draws 1 card. All cards that are drawn while this card's effect is applied must remain revealed. While a player's Spell Card in their hand is revealed by this effect, that player cannot Normal Summon/Set monsters. You can only activate 1 "Contract with Don Thousand" per turn.


                          SR Rarity
                          3 cardGem-Knight Fusion
                          SR Rarity
                          3 cardGem-Knight Fusion
                          Gem-Knight Fusion
                          Spell Normal
                          Gem-Knight Fusion

                            Fusion Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, using monsters from your hand or your side of the field as Fusion Materials. If this card is in your Graveyard: You can banish 1 "Gem-Knight" monster from your Graveyard; add this card to your hand.


                            UR Rarity
                            1 cardHarpie's Feather Duster
                            UR Rarity
                            1 cardHarpie's Feather Duster
                            Harpie's Feather Duster
                            Spell Normal
                            Harpie's Feather Duster

                              Destroy all Spell and Trap Cards your opponent controls.




                              Tag(s):

                              UR Rarity
                              1 cardHeavy Storm
                              UR Rarity
                              1 cardHeavy Storm
                              Heavy Storm
                              Spell Normal
                              Heavy Storm

                                Destroy all Spell and Trap Cards on the field.


                                SR Rarity
                                1 cardPot of Desires
                                SR Rarity
                                1 cardPot of Desires
                                Pot of Desires
                                Spell Normal
                                Pot of Desires

                                  Banish 10 cards from the top of your Deck, face-down; draw 2 cards. You can only activate 1 "Pot of Desires" per turn.




                                  Tag(s):

                                  SR Rarity
                                  2 cardScatter Fusion
                                  SR Rarity
                                  2 cardScatter Fusion
                                  Scatter Fusion
                                  Spell Continuous
                                  Scatter Fusion

                                    During your Main Phase, if your opponent controls a monster: You can Fusion Summon 1 non-Rock "Gem-Knight" monster from your Extra Deck, using monsters from your Deck as material, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except "Gem-Knight" monsters. You can only use this effect of "Scatter Fusion" once per turn. When this card leaves the field, destroy all monsters Summoned by this card's effect.


                                    SR Rarity
                                    3 cardTwin Twisters
                                    SR Rarity
                                    3 cardTwin Twisters
                                    Twin Twisters
                                    Spell Quick
                                    Twin Twisters

                                      Discard 1 card, then target up to 2 Spells/Traps on the field; destroy them.


                                      SR Rarity
                                      3 cardUnexpected Dai
                                      SR Rarity
                                      3 cardUnexpected Dai
                                      Unexpected Dai
                                      Spell Normal
                                      Unexpected Dai

                                        If you control no monsters: Special Summon 1 Level 4 or lower Normal Monster from the Deck.


                                        UR Rarity
                                        1 cardGem-Knight Lady Brilliant Diamond
                                        UR Rarity
                                        1 cardGem-Knight Lady Brilliant Diamond
                                        Gem-Knight Lady Brilliant Diamond
                                        EARTH 10
                                        Gem-Knight Lady Brilliant Diamond
                                        • ATK:

                                        • 3400

                                        • DEF:

                                        • 2000


                                        3 "Gem-Knight" monsters Must first be Fusion Summoned with the above Fusion Materials. You can only Special Summon "Gem-Knight Lady Brilliant Diamond(s)" once per turn. Once per turn: You can send 1 face-up "Gem-Knight" monster you control to the Graveyard, and if you do, Special Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, ignoring its Summoning conditions.


                                        R Rarity
                                        3 cardGem-Knight Lady Lapis Lazuli
                                        R Rarity
                                        3 cardGem-Knight Lady Lapis Lazuli
                                        Gem-Knight Lady Lapis Lazuli
                                        EARTH 5
                                        Gem-Knight Lady Lapis Lazuli
                                        • ATK:

                                        • 2400

                                        • DEF:

                                        • 1000


                                        "Gem-Knight Lapis" + 1 "Gem-Knight" monster Must first be Fusion Summoned with the above Fusion Materials. You can only Special Summon "Gem-Knight Lady Lapis Lazuli(s)" once per turn. Once per turn: You can send 1 "Gem-Knight" monster from your Main Deck or Extra Deck to the Graveyard, and if you do, inflict 500 damage to your opponent for each Special Summoned monster on the field.


                                        UR Rarity
                                        1 cardGem-Knight Lady Rose Diamond
                                        UR Rarity
                                        1 cardGem-Knight Lady Rose Diamond
                                        Gem-Knight Lady Rose Diamond
                                        EARTH 8
                                        Gem-Knight Lady Rose Diamond
                                        • ATK:

                                        • 2700

                                        • DEF:

                                        • 2400


                                        1 "Gem-Knight" monster + 1 Fairy monster Once per opponent's turn, the first time a "Gem-Knight" monster(s) you control would be destroyed by card effect, it is not destroyed. During your turn, when your opponent activates a monster effect (Quick Effect): You can banish 1 "Gem-Knight" card from your GY, then target 1 face-up card your opponent controls; destroy it.


                                        UR Rarity
                                        3 cardGem-Knight Master Diamond
                                        UR Rarity
                                        3 cardGem-Knight Master Diamond
                                        Gem-Knight Master Diamond
                                        EARTH 9
                                        Gem-Knight Master Diamond
                                        • ATK:

                                        • 2900

                                        • DEF:

                                        • 2500


                                        3 "Gem-Knight" monsters Must first be Fusion Summoned. This card gains 100 ATK for each "Gem-" monster in your Graveyard. Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your Graveyard; until the End Phase, this card's name becomes that monster's, and replace this effect with that monster's original effects.


                                        SR Rarity
                                        1 cardGem-Knight Prismaura
                                        SR Rarity
                                        1 cardGem-Knight Prismaura
                                        Gem-Knight Prismaura
                                        EARTH 7
                                        Gem-Knight Prismaura
                                        • ATK:

                                        • 2450

                                        • DEF:

                                        • 1400


                                        1 "Gem-Knight" monster + 1 Thunder-Type monster Must first be Fusion Summoned. Once per turn: You can send 1 "Gem-Knight" card from your hand to the Graveyard to target 1 face-up card on the field; destroy that target.


                                        SR Rarity
                                        1 cardGem-Knight Seraphinite
                                        SR Rarity
                                        1 cardGem-Knight Seraphinite
                                        Gem-Knight Seraphinite
                                        EARTH 5
                                        Gem-Knight Seraphinite
                                        • ATK:

                                        • 2300

                                        • DEF:

                                        • 1400


                                        1 "Gem-Knight" monster + 1 LIGHT monster Must first be Fusion Summoned with the above Fusion Materials. During your Main Phase, you can Normal Summon/Set 1 monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)


                                        R Rarity
                                        2 cardGem-Knight Zirconia
                                        R Rarity
                                        2 cardGem-Knight Zirconia
                                        Gem-Knight Zirconia
                                        EARTH 8
                                        Gem-Knight Zirconia
                                        • ATK:

                                        • 2900

                                        • DEF:

                                        • 2500


                                        1 "Gem-Knight" monster + 1 Rock-Type monster


                                        SR Rarity
                                        2 cardGem-Knight Phantom Quartz
                                        SR Rarity
                                        2 cardGem-Knight Phantom Quartz
                                        Gem-Knight Phantom Quartz
                                        EARTH
                                        Gem-Knight Phantom Quartz
                                        • ATK:

                                        • 1450

                                        • LINK-2

                                        Link Arrow:

                                        Bottom-Left

                                        Bottom-Right


                                        2 "Gem-" monsters If this card is Link Summoned: You can add 1 "Gem-Knight" card from your Deck to your hand. You can pay 1000 LP; Fusion Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, by shuffling Fusion Materials in your possession listed on it into your Deck, that are banished or in the GY, but it cannot attack directly this turn. You can only use each effect of "Gem-Knight Phantom Quartz" once per turn.


                                        SR Rarity
                                        1 cardGallant Granite
                                        SR Rarity
                                        1 cardGallant Granite
                                        Gallant Granite
                                        EARTH
                                        Gallant Granite
                                        • ATK:

                                        • 2300

                                        • DEF:

                                        • 1800


                                        2 Level 4 monsters You can detach 1 material from this card, then activate 1 of these effects; ● Add 1 Rock monster from your Deck to your hand. ● Special Summon 1 Rock monster from your hand in face-down Defense Position. You can only use this effect of "Gallant Granite" once per turn.



                                        GEM-KNIGHTS Decks in MASTER DUEL








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