Tox, Consuming Rot

You may sacrifice another permanent. If you do,
put a +1/+1 counter on Tox and draw a card.
Escape— {1}{b/g}{b/g}, Exile two other cards from
your graveyard. (You may cast this card from your
graveyard for its escape cost.)
Tox escapes with two +1/+1 counter on it.