Fossil Deck Breakdown

EARTH 4

1 Rock monster + 1 Level 4 or lower monster in your opponent's GY Must first be Special Summoned with "Fossil Fusion". If this card attacks a Defense Position monster, inflict piercing battle damage. You can banish this card from your GY; add 1 "Fossil Fusion" from your Deck to your hand. You can only use this effect of "Fossil Dragon Skullgar" once per turn.

EARTH 8

1 Rock monster + 1 Level 7 or higher monster Must first be Special Summoned with "Fossil Fusion". This card can make a second attack during each Battle Phase. If this card attacks a Defense Position monster, inflict piercing battle damage. During your opponent's turn (Quick Effect): You can target 1 monster in your opponent's GY; discard 1 card, and if you do, Special Summon that monster to your field. You can only use this effect of "Fossil Warrior Skull King" once per turn.

Spell Quick

Target 1 Spell/Trap on the field; destroy that target.

EARTH 8

You can Tribute Summon this card by Tributing 1 Tribute Summoned monster. When this card is Tribute Summoned: Target up to 2 Set cards on the field; destroy those targets. If this card was Tribute Summoned by Tributing an EARTH monster, add this additional effect. ● Also, draw 1 card after that.

EARTH 4

When this card is Normal Summoned: You can change this card to Defense Position, and if you do, inflict 500 damage to your opponent. If this card is destroyed by battle or sent to the GY by a card effect: You can add 1 Level 8 Rock monster from your Deck to your hand, or if "Fossil Fusion" is in your GY, you can Special Summon it instead. For the rest of this turn, you cannot activate cards, or the effects of cards, with the same name as that card. You can only use this effect of "Shell Knight" once per turn.

Spell Normal

Destroy all monsters on the field.

Spell Normal

Send 1 Level 4 or lower Rock monster from your Deck to the GY, then, if "Fossil Fusion" is in your GY, draw 1 card. You can only activate 1 "Miracle Rupture" per turn.

EARTH 4

If this card is sent to the Graveyard: You can activate 1 of these effects. ● Target 1 face-up monster your opponent controls; change that target to face-down Defense Position. ● Target 1 face-up Spell/Trap Card your opponent controls; return that target to the hand. This turn, your opponent cannot activate cards with the same name as the card returned to the hand by this effect.

EARTH 8

1 Rock monster + 1 Level 7 or higher monster in your opponent's GY Must first be Special Summoned with "Fossil Fusion". Before damage calculation, if this card battles an opponent's monster: You can switch the current ATK and DEF of that opponent's monster until the end of that Damage Step. If this card attacks a Defense Position monster, inflict piercing battle damage. If this Fusion Summoned card battles an opponent's monster, any battle damage it inflicts to your opponent is doubled.

EARTH 8

1 Rock monster in your GY + 1 Level 7 or higher monster Must first be Special Summoned with "Fossil Fusion". While you control this Fusion Summoned card, all monsters your opponent controls lose ATK equal to their original DEF. This card can make up to 3 attacks on monsters during each Battle Phase. When this card destroys an opponent's monster by battle: You can inflict 1000 damage to your opponent.

EARTH 4

If this card is destroyed by battle or sent to the GY by a card effect: You can add 1 "Fossil Fusion", or 1 card that specifically lists "Fossil Fusion" in its text except "Weathering Soldier", from your Deck to your hand. You can only use this effect of "Weathering Soldier" once per turn. Once per turn, during your End Phase: This card loses 600 ATK.

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.

EARTH 8

You can Special Summon this card by removing from play any 2 Rock-Type monsters in your Graveyard. During your Standby Phase, remove from play 1 Rock-Type monster in your Graveyard, or send this card to the Graveyard. Halve the ATK and DEF of any monster that battles with this card.

Spell Normal

Fusion Summon 1 "Fossil" Fusion Monster from your Extra Deck, by banishing Fusion Materials listed on it from any GYs (except for materials with a specific GY requirement listed). If you banished monsters from both GYs, neither player can target that Special Summoned monster with monster effects. If a face-up "Fossil" Fusion Monster(s) you control is destroyed by battle or card effect, while this card is in your GY: You can add this card from the GY to your hand. You can only use this effect of "Fossil Fusion" once per turn.

EARTH 6

1 Rock monster + 1 Level 5 or 6 monster Must first be Special Summoned with "Fossil Fusion". If this card attacks a Defense Position monster, inflict piercing battle damage. When this attacking card destroys a monster by battle: You can activate this effect; this card can make a second attack in a row. You can banish this card from your GY, then target 1 monster on the field; destroy it. You can only use this effect of "Fossil Warrior Skull Knight" once per turn.

Spell Quick

Target 1 of your Machine or Rock monsters, that is banished or is in your GY, that cannot be Normal Summoned/Set; Special Summon it.

Trap Continuous

Activate by targeting 1 face-up monster your opponent controls; take control of that monster. While you control that monster, it cannot attack or activate effects. When that monster leaves the field, destroy this card.

LIGHT 11

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.

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.

EARTH 8

You can Special Summon this card by removing from play any 2 Rock-Type monsters in your Graveyard. During your Standby Phase, remove from play 1 Rock-Type monster in your Graveyard, or send this card to the Graveyard. Halve the ATK and DEF of any monster that battles with this card.

EARTH 8

You can Tribute Summon this card by Tributing 1 Tribute Summoned monster. When this card is Tribute Summoned: Target up to 2 Set cards on the field; destroy those targets. If this card was Tribute Summoned by Tributing an EARTH monster, add this additional effect. ● Also, draw 1 card after that.

LIGHT 11

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.

EARTH 4

If this card is destroyed by battle or sent to the GY by a card effect: You can add 1 "Fossil Fusion", or 1 card that specifically lists "Fossil Fusion" in its text except "Weathering Soldier", from your Deck to your hand. You can only use this effect of "Weathering Soldier" once per turn. Once per turn, during your End Phase: This card loses 600 ATK.

EARTH 8

1 Rock monster + 1 Level 7 or higher monster in your opponent's GY Must first be Special Summoned with "Fossil Fusion". Before damage calculation, if this card battles an opponent's monster: You can switch the current ATK and DEF of that opponent's monster until the end of that Damage Step. If this card attacks a Defense Position monster, inflict piercing battle damage. If this Fusion Summoned card battles an opponent's monster, any battle damage it inflicts to your opponent is doubled.

EARTH 8

1 Rock monster in your GY + 1 Level 7 or higher monster Must first be Special Summoned with "Fossil Fusion". While you control this Fusion Summoned card, all monsters your opponent controls lose ATK equal to their original DEF. This card can make up to 3 attacks on monsters during each Battle Phase. When this card destroys an opponent's monster by battle: You can inflict 1000 damage to your opponent.

EARTH 8

1 Rock monster + 1 Level 7 or higher monster Must first be Special Summoned with "Fossil Fusion". This card can make a second attack during each Battle Phase. If this card attacks a Defense Position monster, inflict piercing battle damage. During your opponent's turn (Quick Effect): You can target 1 monster in your opponent's GY; discard 1 card, and if you do, Special Summon that monster to your field. You can only use this effect of "Fossil Warrior Skull King" once per 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.

Spell Quick

Target 1 Spell/Trap on the field; destroy that target.

Trap Continuous

Activate by targeting 1 face-up monster your opponent controls; take control of that monster. While you control that monster, it cannot attack or activate effects. When that monster leaves the field, destroy this card.