Cthonic Pathovore

When you cast this spell, you may put a card an opponent owns from exile into that player's graveyard. If you do, draw a card, then you gain life equal to the number of cards in your hand.

Foretell {2}{c}{w} (During your turn, you may pay
{2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)