Thopter Engineer is a uncommon Creature — Human Artificer card from The List (PLST), collector number ORI-165. Current market price: $0.12, TCGplayer market prices via Scryfall.
When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying. Artifact creatures you control have haste. (They can attack and {T} as soon as they come under your control.)