Ondontose, Oracle of the Mind

Hexproof, flying, prowess
Whenever you cast a noncreature spell, look at each of your opponent's hands.
When Sivairtizan, Moon Overlord enters the battlefield under your control, look at the top 5 cards of your library. put one into your hand and the rest back on the top of your library in any order.
{t}: Scri 3.
{2}{u}{u}, {t}: Scri 5, then draw three cards.