Genesis Dragon (JUMP-EN034) - Shonen Jump Magazine Promos Limited Condition:Heavily Played When a Normal Spell Card

When a Normal Spell Card is activated

If you Tribute Summon a monster that includes Ancient Gear in its card name

Shuffle the 3 selected cards and Set them on the field in face-down Defense Position

then you can Special Summon this card from your Fusion Deck (You do not use ""Polymerization"")

Genesis Dragon (JUMP-EN034) - Shonen Jump Magazine Promos Limited Condition:Heavily Played When a Normal Spell CardTypeDragon Effect Monster AttributeLIGHT Level Rank6 ATK DEF2200 1800 Card TextOnce per turn, you can send 1 Dragon Type Monster from your hand to the Graveyard to add 1 Dragon Type Monster from your Graveyard to your hand. When this card is sent from the field to the Graveyard, you can return all Dragon Type Monsters from your Graveyard to your Deck.