shadow (this creature can block or be blocked by only creatures with shadow.)
if a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it.
t, sacrifice dauthi voidwalker: choose an exiled card an opponent owns with a void counter on it. you may play it this turn without paying its mana cost.
"Sorry, Great One, but did I hear correctly? I'm to entrust this powerful artifact to our *worst* researchers?" —Flesdrim, Cabal servant