Max and Jade, the Unfrozen

Max and Jade, the Unfrozen get +1/+1 for each
snow-covered land on the battlefield or in the graveyards.
Snow-covered swamps have: "{t}, sacrifice this land: target creature gets -2/-2 until end of turn."
Snow-covered islands have: "{u}{u}{t}, sacrifice this land: counter target spell."
Snow-covered plains have: "{w}{w}{t}, sacrifice this land:
creatures you control have protection from the color of your choice until end of turn."