Crypt Feaster is a common Creature — Zombie card from Foundations (FDN), collector number 59. Current market price: $0.11 (foil $0.19), TCGplayer market prices via Scryfall.
Menace (This creature can't be blocked except by two or more creatures.) Threshold — Whenever this creature attacks, if there are seven or more cards in your graveyard, this creature gets +2/+0 until end of turn.