Steady-Handed Mook is a common Creature — Human Rigger card from Unstable (UST), collector number 71. Current market price: $0.08 (foil $0.44), TCGplayer market prices via Scryfall.
Deathtouch When this creature enters, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)