Metalfoes Combination

Continuous Trap

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.

Rulings – Yugipedia

Printings:

The Dark Illusion: TDIL-EN073 (Super Rare) - 2016-08-04
2017 Mega-Tin Mega Pack: MP17-EN112 (Super Rare) - 2017-08-24
Ghosts From the Past: GFTP-EN125 (Ultra Rare) - 2021-04-15

Prices:

Cardmarket: 0.05 €
TCGplayer: $ 0.13