Iron League Steed is a common Artifact Creature — Construct card from Double Masters (2XM), collector number 263. Current market price: $0.20 (foil $0.14), TCGplayer market prices via Scryfall.
Haste Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)