Alstor, Seeker of You

+1: Scry 2, then draw a card. If you control a creature with flying, you may put a loyalty counter on Alstor
-2: Exile target nonland permanent. If it was a creature, its controller creates a 1/1 colorless Spirit creature token with flying.
-6: "At the beginning of your upkeep, you may exile target permanent you control, then return it to the battlefield under your control."