Galadriel, The Last one

+2: Scry 1, then draw 2 cards
-3: Look at the top 2 cards of an opponent's library and exile them. You may play them by paying just 3 manas of any colour.
-12: You get an emblem with:At the begining of your turn exile 10 cards of an opponent's library, you may play 2 of them without paying any cost.