Sightless Clairvoyant

Prowess (Whenever you cast an instant or sorcery
spell, this creature gets +1/+1 until end of turn.)
{3}{u}, Reveal a card at random from your hand:
Scry 4, then reveal the top X cards of your
library, where X is the converted mana cost of
the card you revealed. An opponent separates
those cards into two piles. Choose one of those
piles. Put the chosen pile into your hand and
the other on the bottom of your library in
a random order.