Helka, the Flameblade

+2: Helka deals up to 3 damage to target creature. Then, Helka deals the remaining damage to that creature's controller.
0: Discard an instant or sorcery card. Then draw two cards. Helka deals X damage to herself where X is the discarded card's converted mana cost.
-10: Exile the top 10 ten cards of your library. Until end of turn you may cast nonland cards from among them without paying their mana costs.