Urza, Planeswalker

+2: Urza, Planeswalker deals damage to target creature or player equal to the number of basic land types among lands you control.
-3: Search your library for a planeswalker card, put it onto the battlefield, then shuffle your library.
-20: You may exile all permanents you control. If you do, you win the game at the beginning of your next upkeep.