Ugin, Watcher of Bolas

+1: Look at the top card of each opponent's library and exile if it isn't a planeswalker, and if it is, that opponent shuffles their library.
0: Ugin deals gains lifelink until end of turn. Ugin deals 2 damage to target player and 1 damage to up to 1 planeswalker.
-8: All cards you own in the game are colorless until end of turn. Choose a color. Exile all cards with that color.