Maliketh, shadow of Marika

Vigilance, Deathtouch, Shardbearer (If this creature is your commander, you may take a Great Rune as a second commander)
{3}, sacrifice a grace: Maliketh deals 2 damage to any target
Whenever a creature an opponent controls would die, you may sacrifice a grace. If you don't, exile that creature instead

"Thou, who approacheth Destined Death; I will not have it stolen from me again"