[+1]: You gain 2 life. Add U, R, or W. Spend this mana only to cast a noncreature spell.
[-2]: Draw a card, then you may discard a card. When you discard a nonland card this way, Narset of the Ancient Way deals damage equal to that card’s converted mana cost 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.”