Gadget Technician is a common Creature — Goblin Artificer card from Murders at Karlov Manor (MKM), collector number 204. Current market price: $0.07 (foil $0.16), TCGplayer market prices via Scryfall.
When this creature enters or is turned face up, create a 1/1 colorless Thopter artifact creature token with flying. Disguise {U/R}{U/R} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)