Urza Planeswalker

0: Put a number of loyalty counters on Urza Planeswalker equal to the number of lands or permanents that share a color with him, you control.
-4: Search your library for a permanent that shares a color with Urza Planeswalker card, put in unto the battlefield, then shuffle your library.
-20: You may exile all other permanents you control. If you do you win the game at the beginning of your next upkeep