Aerial Toastmaster is a uncommon Artifact Creature — Cyborg Rigger card from Unstable (UST), collector number 2. Current market price: $0.09 (foil $0.46), TCGplayer market prices via Scryfall.
Flying {3}{W}, Sacrifice another artifact: This creature assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)