+2: Surveil 2, then draw a card.
-5: Until the beginning of your next upkeep, creatures you don't control get -X/-0, where X is the number of cards you've drawn this turn.
-10: You gain an emblem with "Whenever you cast your first instant or sorcery spell each turn, surveil 1, then draw a card."
See Orzmon, The Fourth Wave.