Victoria, Bane of death.

{t}Create a 2/2 Zombie token with Deathtouch.
{p/b}{p/b}target zombie gets +2/+2.
When Victoria, Bane of Death dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.
Whenever you cast a spell, give Victoria, Bane of Death a +1/+1 counter.
"I dare challenge the might of Death, I do not fear Death, I embrace it"- Victoria