Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing 3 monsters, and cannot be Special Summoned by other ways. Negate the effects of face-up monsters while your opponent controls them. Once per turn: You can target 1 monster your opponent controls; equip that target to this card (you can only equip 1 monster at a time to this card with this effect). This card gains ATK equal to half the original ATK of the monster equipped to it by this effect.