Zoe, Aspect of Twilight

+1: Exile the top card of your library. If it’s an instant or sorcery card, you may cast it this turn. If you cast it this way, it costs {2} less to
-3: Tap target creature. It doesn’t untap during its controller’s next untap step. When that creature becomes untapped, draw two cards.
-7: Exile the top five cards of each opponent’s library. You may cast any number of nonland cards exiled this way without paying their mana costs.