Darksteel Juggernaut is a rare Artifact Creature — Juggernaut card from The Brothers' War Commander (BRC), collector number 137. Current market price: $1.01, TCGplayer market prices via Scryfall.
Indestructible Darksteel Juggernaut's power and toughness are each equal to the number of artifacts you control. This creature attacks each combat if able.