Shambling Ghast is a common Creature — Zombie card from Foundations Jumpstart (J25), collector number 124. Current market price: $0.41, TCGplayer market prices via Scryfall.
When this creature dies, choose one — • Target creature an opponent controls gets -1/-1 until end of turn. • Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")