jace,death mage

++1: put the top card of your library into your graveyard you may cast card from your graveyard.
-1: put the top card of your library into your graveyard you may cast that card without paying its mana cost if you do scry 5
-10: put the top 10 cards of your library into you graveyard you may play cards from your graveyard without paying its mana cost.