E1, the Denier

+1: Draw 7 cards and take an additional 10 minutes to complete your turn. You have no maximum hand size for the rest of the game.
-2: Create 2 1/1 green Elf creature tokens with "Sacrifice an Elf, counter target spell".
-10: Deal X damage to any target and take X additional turns where X is how many spells you have countered this game.