Polymerization [YGLD-ENB30] Common tins Set: Savage Strike Card type:

Set: Savage Strike Card type: Effect Monster Rarity: Secret Rare Attack: 2200 Defense: 2100 During the Main Phase (Quick Effect): You can discard this card

and resolve in sequence

and a special effect to the Xyz Monsters and there are lots of ways to add more Xyz Materials

Set: Legendary Duelists: Ancient Millennium Card type: Field Spell Rarity: Super Rare The first time each DARK Machine monster you control would be destroyed by battle each turn

Polymerization [YGLD-ENB30] Common tins Set: Savage Strike Card type:Set: King of Games: Yugi's Legendary Decks Card type: Normal Spell Rarity: Common Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or your side of the field as Fusion Materials.