Mishra's Juggernaut is a common Artifact Creature — Juggernaut card from The Brothers' War (BRO), collector number 161. Current market price: $0.03 (foil $0.19), TCGplayer market prices via Scryfall.
Trample This creature attacks each combat if able. Unearth {5}{R} ({5}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)