{+2}: Each opponent loses 1 life. You gain life equal to the life lost this way.
-{2}: Put a 5/5 black Demon creature token with flying onto the battlefield. 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.