Aang, Avatar Returned

+2: Add one mana of any color, create a white and blue Air Scooter token with "Equipped creature gains +0/+1 and has flying, equip 1"
-4: Exile target noncreature, nonland permanent. Each player gains life equal to its converted mana cost.
-10: You gain an emblem with "At the beginning of your upkeep, choose a creature. It cannot attack or block, and lose all abilities."