Astaroth, Speaker of Hell

Eminence — Whenever an opponent discards one or more cards or loses 2 or more life during your turn, you gain a temptation counter.

Menace, lifelink
Remove two temptation counters: Draw a card and lose 2 life.
Remove four temptation counters: Create a 3/3 black Demon creature token with menace and flying and lose 3 life.
Remove eight temptation counters: Put a Demon, Devil, Tiefling, or Imp card from your hand on the battlefield and lose 4 life.