Sokka, Loyal Friend

+1: You gain 2 life. Add U, R , or W. Spend this mana only to cast a noncreature spell.
-2: Loot. When you discard a nonland card this way, Sokka deals damage equal to that card's mana value to target creature or planeswalker.
-6: You get an emblem with "Whenever you cast a noncreature spell, this emblem deals 2 damage to any target."