Ravnica, The plane

+5: reveal the top card of your library if its multicolored put it into your hand if its not put it on the bottom of your library.
-5: Destroy or counter target non multicolored spell, proliferate, you may do this at instant speed if you did not use a loyalty ability on your turn
-20: search your library for 1 color of each color pairing, and then you may search for a 5 colored spell,exile 5 cards, sacrifice 5 then proliferate