Goblin Dirigible is a uncommon Artifact Creature — Construct card from Mirrodin (MRD), collector number 177. Current market price: $0.15 (foil $0.59), TCGplayer market prices via Scryfall.
Flying This creature doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap this creature.