Mermail Abysstrite [CBLZ-EN050] Super Rare Equipment You can only use this

You can only use this effect of "Super Cocoon of Evolution" once per turn

While your opponent controls only 1 monster

If this card is Xyz Summoned by using an Xyz Monster as a Material: Destroy as many Level 7 or lower monsters your opponent controls as possible

and you send that target to the Graveyard

Rule book available at fabtcg

Mermail Abysstrite [CBLZ-EN050] Super Rare Equipment You can only use thisSet: Cosmo Blazer Card type: Xyz Effect Monster Rarity: Super Rare Attack: 1600 Defense: 2800 3 Level 3 monsters During either player's turn, when your opponent targets exactly 1 face up "Mermail" monster you control for an attack, or with a Spell Trap effect that could have targeted this card (except during the Damage Step): You can detach 1 Xyz Material from this card; that attack effect now targets this card. When this card is destroyed and sent to