Arcbound Wanderer is a common Artifact Creature — Golem card from Modern Masters (MMA), collector number 200. Current market price: $0.16 (foil $0.40), TCGplayer market prices via Scryfall.
Modular—Sunburst (This creature enters with a +1/+1 counter on it for each color of mana spent to cast it. When it dies, you may put its +1/+1 counters on target artifact creature.)