HellSpawn, Infernal King

Flying, Menace, Trample, Lifelink

Whenever a creature an opponent controls dies, create a 2/2 black and red Demon Spawn creature token with menace.

{5}, Sacrifice another creature: Exile target nonland permanent. If that permanent was a creature, HellSpawn deals damage equal to its power to any target and you gain that much life.
At the beginning of your end step, each opponent loses 1 life for each Demon you control and you gain that much life.