Fiendsmith's Tract [MP25-EN093] Prismatic Secret Rare

Add 1 LIGHT Fiend monster from your Deck to your hand, then discard 1 card. You can banish this card from your GY; Fusion Summon 1 "Fiendsmith" Fusion Monster from your Extra Deck, using monsters from your hand or field. You can only use each effect of "Fiendsmith's Tract" once per turn.