Vendread Scavenger

You can Ritual Summon this card with any "Vendread" Ritual Spell. During the Main Phase (Quick Effect): You can Tribute 1 other Zombie monster; this card gains ATK equal to the Tributed monster's original ATK until the end of this turn. If you control "Revendread Slayer" and this card is in your GY: You can Special Summon this card, but banish it when it leaves the field. You can only use each effect of "Vendread Scavenger" once per turn.

Zombie DARK Ritual Effect Monster 8 ritual