Thomil, the Destroyer

[+2]: Create a 2/2 black Zombie creature token. [0]: You may sacrifice a creature. If you do, add {B}{B}{B}. [−5]: Create a Lord of the Pit token. (It's a {4}{B}{B}{B} 7/7 Demon creature with flying, trample, and "At the beginning of your upkeep, sacrifice another creature. If you can't, this token deals 7 damage to you.") Thomil, the Destroyer can be your commander.