Ugin, the Ineffable (Borderless)

All Will Be One What-If WalkersColorless spells you cast cost 2 less to cast. [+1]: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand. [-3]: Destroy target permanent that's one or more colors.