Corpse Cobble (Innistrad: Midnight Hunt 214) - Uncommon Magic: The Gathering Card

As an additional cost to cast this spell, sacrifice any number of creatures.
Create an X/X blue and black Zombie creature token with menace, where X is the total power of the sacrificed creatures.
Flashback (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)