Accretionous, Infinite Void

Hexproof, Flying, Deathtouch
If a creature an opponent controls would enter
the graveyard, exile it instead. Whenever a
creature is exiled this way, put a +1/+1 counter
on target black creature you control.
{b}{b}, Exile two modified creatures: Return Accretionous, Infinite Void from your graveyard
to the battlefield.