Armored Kappa Super Rare - Shadow Specters Unlimited

2 Level 2 monsters Once per turn: You can detach 1 Xyz Material from this card; this card gains 1000 ATK or DEF. During the Battle Step, when a monster you control battles: You can discard 1 card; this turn, you take no battle damage, also monsters you control cannot be destroyed by battle. You can only use this effect once per Duel.