Werewolf of the New Moon

Double Strike, Trample, Ward {2}
Insanity - When Werewolf of the New Moon attacks, you may discard a card. If you do,
Werewolf of the New Moon deals damage equal
to its power to target creature or planeswalker.
If a creature or planeswalker would die due to
damage dealt by Werewolf of the New moon,
exile it instead and put a +1/+1 counter
on this card.