Kashtira Birth

You can Normal Summon a Level 7 monster without Tributing. During your Main Phase: You can Special Summon 1 of your non-Xyz "Kashtira" monsters that is banished or in your GY. If your opponent activates a Spell Card or effect and you control a "Kashtira" monster (except during the Damage Step): You can target 3 cards in your opponent's GY; banish them face-down. You can only use each effect of "Kashtira Birth" once per turn.