Ghirapur Gearcrafter is a common Creature — Human Artificer card from Duel Decks: Elves vs. Inventors (DDU), collector number 46. Current market price: $0.15, TCGplayer market prices via Scryfall.
When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying. (A creature with flying can't be blocked except by creatures with flying or reach.)