Dread Drone is a common Creature — Eldrazi Drone card from Rise of the Eldrazi (ROE), collector number 108. Current market price: $0.17 (foil $0.60), TCGplayer market prices via Scryfall.
When this creature enters, create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."