Bill Cipher, Dream Demon

+1: Lands you control can be tapped for any color of mana until the end of your turn. Scry 1.
+2: Choose a creature you do not control. Its controller may allow you to gain control of it until end of turn. If they do, they may draw two cards.
-6: You get an emblem with: "You may cast cards you control from outside the game. Those cards can be from any set (including unsets)".