Mother of Misfortune

Coven (This creature gets +1/+1 and has hexproof as long as you control two or more other creatures that share a creature type with it.)
{1}{r}, {t}: Scry 1, then exile the top card of
your library. You may cast it this turn.
Then Mother of Misfortune deals damage
to you equal to the number of cards
you own in exile.