Traxos, Scourge of Kroog

Traxos, Scourge of Kroog
{4}

Legendary Artifact Creature - Construct | Power/Toughness: 7 / 7 (CMC 4)
Trample
Traxos, 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.)