Ob Nixilis of the Black Oath (45)

Mana cost
Mana value	5.0
Type	Legendary Planeswalker — Nixilis
Rarity	mythic
Colors	B
Loyalty	3
EDHREC rank	9646

[+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 "{1}{B}, 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.