Artorias Of The Abyss

First Strike, Haste, Protection from black
Whenever Artorias Of The Abyss attacks, you can
destroy target black permanent and, if you do,
put an Abyss counter on Artorias Of The Abyss.
When this card has three or more Abyss counter,
put a -1/-1 counter and remove all Abyss counter
from Artorias Of The Abyss.