Gideon, Fierce Commander

+1: Reveal a top card card of your library. Then you may pay mana equal to CMC of this card. If you do, draw it.
0: Target creature you control. It gains indestructible and lifelink until your next turn. Exile it at the beginning of your upkeep.
-2: Exile target creature. At the beginning of your next upkeep, pay mana equal to CMC of exiled creature. If you not, return it to the battlefield.