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