Thrall, Savior of Worlds

+2: Gain a life, Draw a Card, Add one mana of any mana Color to your mana pool
-2: Search your library for a card, put it in your hand and then shuffle your library.
-10: Get an Emblem that says "creatures you control have Protection from Slivers, Eldrazi, Giants, Dragons, Demons, Angels, and Gods"