Traxos, Scourge of Kroog is a rare Legendary Artifact Creature — Dragon Construct card from Final Fantasy: Through the Ages (FCA), collector number 20. Current market price: $1.61 (foil $11.75), TCGplayer market prices via Scryfall.
Trample Traxos enters tapped and doesn't untap during your untap step. Whenever you cast a historic spell, untap Traxos. (Artifacts, legendaries, and Sagas are historic.)