Ahmanet, Avatar of Set

Flying Deathtouch Intimidate Indestructible
Protection from Artifacts and Humans.
At the beginning of your upkeep sacrifice a
creature, Ahmanet, Avatar of Set gets +1/+1 until end of turn.
{p/b}UnDead you control get +1/+1 until
end of turn.
{p/b}{p/b} If Ahmanet, Avatar of Set is killed, regenerate Ahmanet, Avatar of Set.
It gets +2/+2.