Darksteel Juggernaut is a rare Artifact Creature — Juggernaut card from Scars of Mirrodin (SOM), collector number 150. Current market price: $2.06 (foil $5.92), 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.