For the first time ever, 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. Swarm opponents with mighty creatures and arm yourself with powerful artifacts. But fight wisely, for only one commander will prevail.

Ob Nixilis of the Black Oath is a ruthless tyrant who will stop at nothing to achieve his aims. This Planeswalker commander saps his opponents' strength, summons powerful demons to the battlefield, and compels the dead to rise and fight again.