Archfiend of Spite
From Commander 2019 set
Archfiend of Spite
Creature — Demon
6/6
Flying
Whenever a source an opponent controls deals damage to this creature, that source's controller loses that much life unless they sacrifice that many permanents of their choice.
Madness
(If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)