Fusion Substitute (SDAZ-EN026) - Structure Deck: Albaz Strike 1st Edition

(This card's name is always treated as "Polymerization".)
Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters you control as Fusion Material. You can banish this card from your GY, then target 1 Fusion Monster in your GY; return it to the Extra Deck, then draw 1 card.