Metalfoes Combination

Once per turn, if a Fusion Monster is Fusion Summoned: You can target 1 "Metalfoes" monster in your Graveyard with a lower Level than that Fusion Monster; Special Summon it. If this card is sent from the field to the Graveyard: You can add 1 "Metalfoes" monster from your Deck to your hand.

Continuous Trap Card trap