Burox, Aspect of Death

Menace, Deathtouch, Trample
Soul Reaper – Whenever a creature an opponent controls dies, you may exile it. If you do, create a 2/2 black Zombie creature token.
Unending Carnage – Whenever Burox, Aspect of Death attacks, each opponent loses life equal to the number of creatures in all graveyards. You gain that much life.
Eternal Dread – If Burox, Aspect of Death would leave the battlefield, instead, shuffle it into your library, then return up to two target creatures from any graveyard to t