Baxzl, Demon of Agony

Menace
Whenever Baxzl enters the battlefield, or attacks, sacrifice another creature, or you lose 5 life.
Whenever a creature you control dies, each opponent sacrifices a nonland permanent, unless they put a -1/-1 counter on a creature they control.
You may cast Baxzl from your graveyard. If you do, pay 2 life.