[+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 "1B. 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.
MYTHICSPOILER.COM THE CYCLICAL MTG SPOILER
MythicSpoiler is a dedicated visual spoiler, designed to let you EXPLORE, DISCOVER and EXPERIENCE new Magic the Gathering sets in a simple, sortable gallery.