Urza, Savior of Dominaria

+2: Draw 2 cards, then discard a card unless you control 3 or more historic permanents.
0: Until your next turn, if damage would be dealt to a blocking creature you control prevent that damage and instead lose 1 life
-8: Draw a card for each non-land permanent you control, then destroy all permanents. For the rest of the game you have no maximum hand size.