Evoker, the Mystery Mage

+1: Evoker deals 2 damage to target creature you don't control and 1 damage to all planeswalkers you don't control.
-3: Create three 2/1 Vex tokens with Flying and Haste. Exile them at the beginning of your next upkeep.
-7: Target creature gains Vigilance, Trample, Lifelink, Double Strike, Deathtouch, Hexproof, and Indestructable until end of turn.