Ogdoadic Deck Breakdown

DARK 8

If this card is in your GY: You can Tribute 2 monsters; Special Summon this card. If a monster(s) is Special Summoned from your opponent's GY (except during the Damage Step): You can send 1 card they control to the GY. If a monster(s) is sent from your opponent's hand or Deck to the GY (except during the Damage Step): You can Special Summon 1 LIGHT or DARK Reptile monster from your GY, except "Amunessia, the Ogdoadic Queen". You can only use each effect of "Amunessia, the Ogdoadic Queen" once per turn.

LIGHT 8

If this card is in your GY: You can Tribute 2 monsters; Special Summon this card. If your opponent adds a card(s) to their hand (except during the Draw Phase or Damage Step): You can send 1 random card from their hand to the GY. If a monster(s) your opponent controls is sent to the GY (except during the Damage Step): You can add 1 LIGHT or DARK Reptile monster from your Deck or GY to your hand, except "Aron, the Ogdoadic King". You can only use each effect of "Aron, the Ogdoadic King" once per turn.

LIGHT 8

If this card is in your GY: You can Tribute 1 monster; Special Summon this card, then your opponent can Special Summon 1 monster from their GY, but negate its effects. If this card is Special Summoned: You can target 1 Level 4 or lower "Ogdoadic" monster in your GY; Special Summon it, but banish it when it leaves the field. You can only use each effect of "Keurse, the Ogdoadic Light" once per turn.

DARK 4

You can send this card from your hand to the GY; send 1 LIGHT Reptile monster from your Deck to the GY. If this card is Normal or Special Summoned: You can add 1 "Ogdoadic" Spell/Trap from your Deck to your hand. You can only use each effect of "Nauya, the Ogdoadic Remnant" once per turn.

DARK 4

You can send this card from your hand to the GY; send 1 LIGHT Reptile monster from your Deck to the GY. If this card is Normal or Special Summoned: You can add 1 "Ogdoadic" Spell/Trap from your Deck to your hand. You can only use each effect of "Nauya, the Ogdoadic Remnant" once per turn.

DARK 4

You can send this card from your hand to the GY; send 1 LIGHT Reptile monster from your Deck to the GY. If this card is Normal or Special Summoned: You can add 1 "Ogdoadic" Spell/Trap from your Deck to your hand. You can only use each effect of "Nauya, the Ogdoadic Remnant" once per turn.

LIGHT 4

You can send this card from your hand to the GY; send 1 DARK Reptile monster from your Deck to the GY. If you control no monsters, or you control an "Ogdoadic" monster: You can Special Summon this card from your GY, but banish it when it leaves the field, also you cannot Special Summon monsters, except Reptile monsters, while this card is face-up in the Monster Zone. You can only use each effect of "Nunu, the Ogdoadic Remnant" once per turn.

LIGHT 4

You can send this card from your hand to the GY; send 1 DARK Reptile monster from your Deck to the GY. If you control no monsters, or you control an "Ogdoadic" monster: You can Special Summon this card from your GY, but banish it when it leaves the field, also you cannot Special Summon monsters, except Reptile monsters, while this card is face-up in the Monster Zone. You can only use each effect of "Nunu, the Ogdoadic Remnant" once per turn.

LIGHT 4

You can send this card from your hand to the GY; send 1 DARK Reptile monster from your Deck to the GY. If you control no monsters, or you control an "Ogdoadic" monster: You can Special Summon this card from your GY, but banish it when it leaves the field, also you cannot Special Summon monsters, except Reptile monsters, while this card is face-up in the Monster Zone. You can only use each effect of "Nunu, the Ogdoadic Remnant" once per turn.

LIGHT 10

If this card is in your GY: You can Tribute 3 monsters; Special Summon this card. Once, while this card is face-up on the field (Quick Effect): You can send all monsters from the field to the GY, except face-up monsters Special Summoned from the GY. You can only use each effect of "Ogdoabyss, the Ogdoadic Overlord" once per turn.

DARK 4

If this card is sent from the field to the GY, or Special Summoned from the GY: You can activate this effect; your opponent draws 1 card, and if they do, you add 1 "Ogdoadic" monster from your Deck to your hand, except "Zohah, the Ogdoadic Boundless", then, each player sends 1 card from their hand to the GY. If this card is in your GY: You can send 1 card from your hand to the GY; add this card to your hand. You can only use each effect of "Zohah, the Ogdoadic Boundless" once per turn.

DARK 4

If you control a DARK Reptile monster: You can Special Summon this card from your hand, then, if your opponent controls any monsters with 0 ATK, you can Special Summon up to an equal number of "Reptilianne" monsters from your hand. You can only use this effect of "Reptilianne Coatl" once per turn. If this card you control would be used as Synchro Material for a Reptile monster, you can treat it as a non-Tuner.

Spell Quick

Tribute 1 Reptile monster; for every 2 Levels that Tributed monster had on the field, Special Summon up to 1 "Ogdoadic Token" (Reptile/DARK/Level 2/ATK 0/DEF 0). During your Main Phase: You can banish this card from your GY, then target 1 of your banished Reptile monsters; shuffle it into the Deck, then you can send 1 Reptile monster from your Deck to the GY. You can only use each effect of "Ogdoadic Daybreak" once per turn.

Spell Quick

Tribute 1 Reptile monster; for every 2 Levels that Tributed monster had on the field, Special Summon up to 1 "Ogdoadic Token" (Reptile/DARK/Level 2/ATK 0/DEF 0). During your Main Phase: You can banish this card from your GY, then target 1 of your banished Reptile monsters; shuffle it into the Deck, then you can send 1 Reptile monster from your Deck to the GY. You can only use each effect of "Ogdoadic Daybreak" once per turn.

Spell Quick

Tribute 1 Reptile monster; for every 2 Levels that Tributed monster had on the field, Special Summon up to 1 "Ogdoadic Token" (Reptile/DARK/Level 2/ATK 0/DEF 0). During your Main Phase: You can banish this card from your GY, then target 1 of your banished Reptile monsters; shuffle it into the Deck, then you can send 1 Reptile monster from your Deck to the GY. You can only use each effect of "Ogdoadic Daybreak" once per turn.

Spell Normal

Send 1 Reptile monster from your Deck to the GY, then if you have 5 or more Reptile monsters with different names in your GY, you can Special Summon 1 Reptile monster from your GY. You can only activate 1 "Ogdoadic Water Lily" per turn.

Spell Normal

Send 1 Reptile monster from your Deck to the GY, then if you have 5 or more Reptile monsters with different names in your GY, you can Special Summon 1 Reptile monster from your GY. You can only activate 1 "Ogdoadic Water Lily" per turn.

Spell Normal

Discard 1 card. Select 4 Reptile-Type monsters from your Deck and send them to the Graveyard.

Spell Normal

Discard 1 card. Select 4 Reptile-Type monsters from your Deck and send them to the Graveyard.

Spell Normal

Discard 1 card. Select 4 Reptile-Type monsters from your Deck and send them to the Graveyard.

LIGHT

2+ Effect Monsters, including a Link Monster Gains ATK equal to the combined original ATK of all monsters this card points to. Monsters this card points to cannot attack. Once per turn (Quick Effect): You can Tribute 1 "Crusadia" or "World Legacy" monster this card points to, then target 1 face-up card your opponent controls; negate its effects until the end of this turn.

FIRE

2 monsters with different names If this card is Link Summoned: You can discard 1 card, then target 1 Spell/Trap your opponent controls; destroy it, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Phoenix" once per turn. Co-linked monsters you control cannot be destroyed by battle.

DARK

2+ monsters with different names If this card is Link Summoned: You can discard 1 card, then target 1 card on the field; shuffle it into the Deck, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Unicorn" once per turn. While any co-linked "Knightmare" monsters are on the field, for your normal draw in your Draw Phase, draw 1 card for each different card name among those co-linked "Knightmare" monsters, instead of drawing just 1 card.

DARK

2 monsters, including a Reptile monster If this card is Link Summoned: You can target 1 face-up monster your opponent controls; change its ATK to 0. During your Main Phase, if your opponent controls a monster(s) with 0 ATK: You can add Reptile monsters with different names from your Deck to your hand, up to the number of monsters your opponent controls with 0 ATK, also, you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Reptile monsters. You can only use each effect of "Reptilianne Echidna" once per turn.

WATER

2 Level 4 monsters While this card has a material attached that was originally WATER, all WATER monsters you control gain 500 ATK. Once per turn (Quick Effect): You can detach 1 material from this card; your opponent cannot activate any card effects in their GY this turn.

DARK

2 Level 8 monsters You can only Special Summon "Dingirsu, the Orcust of the Evening Star(s)" once per turn. You can also Xyz Summon this card by using an "Orcust" Link Monster you control as material. If a card(s) you control would be destroyed by battle or card effect, you can detach 1 material from this card instead. If this card is Special Summoned: You can activate 1 of these effects; ● Send 1 card your opponent controls to the GY. ● Attach 1 of your banished Machine monsters to this card as material.

LIGHT

2 Level 4 monsters Once per chain, during your Main Phase or your opponent's Battle Phase, if your opponent has more total cards in their hand and field than you do (Quick Effect): You can detach 1 material from this card; destroy all other cards on the field, also your opponent takes no further damage this turn.

DARK

2 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card; add 1 Reptile-Type monster from your Deck to your hand.

DARK

2 Level 8 monsters Gains 100 ATK and DEF for each monster in the GYs. Once per turn: You can detach 1 material from this card; until the end of your opponent's next turn, this card cannot be destroyed by card effects, also neither player can Special Summon monsters from the GYs.