Tezzeret, Master of Metal
Aether Revolt — Mythic
Planeswalker — Tezzeret
Tezzeret, Master of Metal rulings:
2/9/2017 : If you don’t have an artifact card in your library while resolving Tezzeret’s first ability, you’ll reveal your library and then randomize it.
2/9/2017 : The effect of Tezzeret’s third ability lasts indefinitely.