The new gimmick doesn't work all that differently from regular ex cards, but it can mean more OP Pokémon are on your team — or on your opponent's team. It's best not to think of Mega Evolution Pokémon ex cards as a brand-new change, but more of an improvement over the existing way ex cards w As was reported by PokéBeach , a new special set called MEGA Dream ex ** will be released in Japan on November 28** , and some of the upcoming cards for the expansion have already been revealed. For referenc...