Arcbound Bruiser is a common Artifact Creature — Golem card from Darksteel (DST), collector number 94. Current market price: $0.22 (foil $0.56), TCGplayer market prices via Scryfall.
Modular 3 (This creature enters with three +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)