Caeda, Angel of Talys

+2: Draw a card, gain 4 life, Caeda, Angel of Talys becomes a 6/6 Flying, Indestructible Pegasus Knight until your next turn.
-4: Exile 1 non-flying permanents, Draw 2 cards, Cast a card without paying its mana cost this turn.
-15: Exile all permanents of one color target opponent controls. Another target opponent gains an emblem "By your next Endstep, you lose the game".