An Xyz Monster that has this card as material gains this effect. • Your opponent cannot target this card with card effects. You can only use each of the following effects of "K9-00 Lupis" once per turn. During the Main Phase, if your opponent has activated a monster effect in the hand or GY this turn (Quick Effect): You can Special Summon this card from your hand or GY, but banish it when it leaves the field. During your opponent's turn, you can (Quick Effect): Immediately after this effect resolves, Xyz Summon using this card you control.