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Yu-Gi-Oh Labyrinth of Nightmare 1st Ed. Dark Necrofear Ultra Rare Foil (LON-065)
This card can only be Special Summoned by removing 3 Fiend-Type monsters in your Graveyard from play. When this card is destroyed in battle or by your opponent's card effect, it is treated as an Equip Magic Card at the end of the turn. Equip 1 of your opponent's monsters with this card. As long as it is equipped with this card, you control the equipped monster.