This card cannot be Special Summoned or Set. This card cannot be Special Summoned except by Tributing 3 monsters you control. Once per turn, select your opponent's monster and equip it to this card (you can only equip 1 monster at a time to this card). This card gains equal to half of the ATK of the equipped monster. While this card is face-up on the field, negate all the effects of face-up effect monsters your opponent controls.