Cthulhu, Mind Devastator

+3: Exile target nonland permanent and all permanents with the same name. Its controller mills 7 cards. Draw a card, and discard a card.
-1: Destroy target planeswalker. Draw 3 cards. Each opponent exiles the top card of their library. You may play those cards until end of turn.
-10: Exile all other nonland permanents. Draw a card for each permanent exiled this way & create a 1/1 cleric token for each card you drew this turn.