Zurvan

You may sacrifice any number of creatures you control as you cast Zurvan. Zurvan costs {1} less
to cast for each creature sacrificed this way.
Reach, Trample, Annihilator 2
Whenever a non-building creature or
planeswalker would be put in a graveyard, exile it instead and put a +1/+1 counter on Zurvan.
Zurvan has all abilities of permanents exiled this
way.