Nivix, Izzet Renegade

+1: Target creature can't be blocked and gains "Whenever this creature deals combat damage, draw a card then discard a card" until end of turn
-2: Create a 1/4 blue and red weird creature token with "Discard a card: Switch this creature's power and toughness until end of turn"
-11: You may cast any number of instant and sorcery spells from any graveyards without paying their mana costs, copy those spells