Steamflogger Service Rep is a uncommon Creature — Goblin Rigger card from Unstable (UST), collector number 124. Current market price: $0.11 (foil $0.41), TCGplayer market prices via Scryfall.
Whenever another Goblin you control enters, you may pay {1}. If you do, this creature assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)