Nureus, Mana Puzzler

+1: Until the beginning of your next turn, spells your opponents cast cost 1 colorless mana more to cast.
-2: add X colorless mana of any one color to your mana pool Where X is equal to your devotion of a color of your choice.
-8: Each of your opponents get an emblem with " whenever you cast a spell, tap all untapped lands you control."