Withering Nightmare

Wither, intimidate, devour 2 (As this enters,
you may sacrifice any number of creatures.
This creature enters with twice that many +1/+1 counter on it.)

Whenever a creature blocks Withering Nightmare, its controller then survail 2.

{2}{b}, Exile withering Nightmare from your graveyard: You draw 3 and lose 3 life.