D-Hero Bloo-D Effect: br This card cannot be Normal Summoned or set. This card can only be Special Summoned by tributing 3 monsters on your field. Select 1 monster on your opponent's field and equip it to this card (this effect can only be activated once per turn, and only up to 1 monster can be equipped at a time). Increase the ATK of this card by half the ATK of the equipped monster. While this card is face-up on the field. negate the effects of all monsters on your opponent's field.