If your opponent Special Summons a monster(s) and you control no monsters (except during the Damage Step): You can Special Summon this card from your hand. If this card is Special Summoned: You can banish 1 card from your opponent's GY face-down. Once per turn, when your opponent activates a monster effect in the GY (Quick Effect): You can banish 1 card from their GY face-down; negate that effect.