Dauthi Voidwalker

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.
"The void is not so much a place, it is a power,
reaching out to consume all life."