Ob Nixilis of the Black Oath
Legendary Planeswalker — Nixilis
[+2]; Each opponent loses 1 life. You gain life equal to the life lost this way.
[−2]; Create a 5/5 black Demon creature token with flying. You lose 2 life.
[−8]; You get an emblem with ", Sacrifice a creature; You gain X life and draw X cards, where X is the sacrificed creature's power."
Ob Nixilis of the Black Oath can be your commander.
Illustrated by Daarken