Traxos, Scourge of Kroog [Dominaria]

Set: Dominaria Type: Legendary Artifact Creature — Construct Rarity: Rare Cost: {4} TrampleTraxos, Scourge of Kroog enters the battlefield tapped and doesn't untap during your untap step.Whenever you cast a historic spell, untap Traxos. (Artifacts, legendaries, and Sagas are historic.)