Emrakul's Hatcher is a common Creature — Eldrazi Drone card from Rise of the Eldrazi (ROE), collector number 142. Current market price: $0.24 (foil $10.09), TCGplayer market prices via Scryfall.
When this creature enters, create three 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."