Darlene, the Pirate Queen

+1: Exile the top card of each opponent’s library face down. You may look at and play those cards for as long as they remain exiled.
-2: Create two 1/1 black Pirate creature tokens with "When this creature dies, create a Treasure token."
-5: Discover 3. You get an emblem with “Once during each of your turns, you may cast a spell you don’t own without paying its mana cost.”