Crypt Lurker [Core Set 2021]

Set: Core Set 2021 Type: Creature — Horror Rarity: Common Cost: {3}{B} When Crypt Lurker enters the battlefield, you may sacrifice a creature or discard a creature card. If you do, draw a card. "Even the rats refuse to set foot inside. I fear to think what might be waiting in there." —Gravedigger's journal