Nevia, Dark Auramancer

+1: Choose a color. Until your next turn, Nevia gains protection from the chosen color.
-2: Choose a color. Until your next turn, you may have Nevia and target creature gain protection from the chosen color.
-6: You get an emblem with "At the beginning of your upkeep, choose a color. Opponents may not cast spells of the chosen color this turn."