Inventive Wingsmith is a common Creature — Dwarf Artificer card from Outlaws of Thunder Junction (OTJ), collector number 17. Current market price: $0.09 (foil $0.11), TCGplayer market prices via Scryfall.
At the beginning of your end step, if you haven't cast a spell from your hand this turn and this creature doesn't have a flying counter on it, put a flying counter on it.