If the equipped monster battles, your opponent cannot activate Spell/Trap Cards until the end of the Damage Step. When the equipped monster declares an attack: Negate the effects of all face-up Spell/Trap Cards your opponent controls until the end of the Damage Step. When the equipped monster destroys an opponent's monster by battle: You can destroy all Spell/Trap Cards your opponent controls. When this face-up card in the Spell & Trap Zone leaves the field, you take 3000 damage.