From the Publisher Web:
For the first time, you can lead your forces with a Planeswalker commander in this exciting multiplayer Magic format. Dominate the battlefield with new combinations of strength and skill. Fight wisely, for only one commander will prevail.
BUILT FROM SCRATCH
Daretti, Scrap Savant brags that he can build anything out of anything. This Planeswalker commander is a master artificer. He sacrifices trinkets to bring back treasures and cobbles together an army of automatons to crush the opposition.