Rusting Golem is a uncommon Artifact Creature — Golem card from Nemesis (NEM), collector number 138. Current market price: $0.24 (foil $1.03), TCGplayer market prices via Scryfall.
Fading 5 (This creature enters with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) Rusting Golem's power and toughness are each equal to the number of fade counters on it.