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Pokémon TCG: Alleged Leaks from a reliable source at TPCi
>The Sun and Moon series of TCG sets will continue for 4 more sets after SM7
>SM8 will be a Johto set, with the flagship Pokémon being Lugia-GX. It will also be the final set to include Prism Star cards.
>SM9 will be a Kanto-themed set, with the 3 flagship Pokémon of the set being Venusaur-GX, Blastoise-GX, and a brand new Charizard-GX.
>SM10 will be a Team Rocket based set, and will feature the return of "Dark" and "Rocket's" Pokémon. The set is said to feature a brand-new Rocket's Mewtwo GX, as well as some high-powered Items and Supporters.
>SM11, the final set of the Sun and Moon series of the Pokémon TCG, is a reprint set featuring at least 1 card from every previous Pokémon TCG set, all the way from Base Set to SM10, adjusted for power creep if needed. It will be the largest set ever released in the TCG.