Boluomeng, Creative Deity

+1: Draw a card. You may cast a card with converted mana cost 2 or less without paying its mana cost.
-2: Exile the top card of your library until you exile a nonland card. Until end of turn, you may cast that card without paying its mana cost.
-8: Until end of turn, you may cast cards from your hand without paying their mana costs.