Galvanic Juggernaut is a uncommon Artifact Creature — Juggernaut card from Innistrad (ISD), collector number 222. Current market price: $0.08 (foil $0.50), TCGplayer market prices via Scryfall.
This creature attacks each combat if able. This creature doesn't untap during your untap step. Whenever another creature dies, untap this creature.