Polymerization
[Spell Card]
Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field as material.
SPEED DUEL GX: DUEL ACADEMY BOX
SGX1-ENA12 | Secret Rare
[Spell Card]
Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field as material.