Eus Yram, the Allbeing

+1: Reveal the top card of your library until you reveal a permanent, you may put that permanent into the battlefield. Rest on the bottom.
-3: Reveal X where X is your life total, you may play up to one instant or sorcery revealed without paying it's casting cost. Rest on the bottom.
+6: Exile the top half of your library. Until end of turn you may cast those cards without paying their mana costs.