Pokémon Sun & Moon takes place in a tropical paradise not unlike Okinawa or Hawaii. One big change: it's inhabited by Pokémon! The Pokémon Sun & Moon TCG Expansion introduces brand-new Pokémon to the game along with a new mechanic: Pokémon GX. Pokémon GX are like Pokémon EX from the Black & White and X & Y era but each has a special GX attack that's only usable once per game! These attacks are sure to change the flow of battle in your favour.