Of all the new cards being added to Pokemon TCG Pocket with the upcoming Space-Time Smackdown set, one has the potential to be a meta game-changer.

New Pokemon TCG expansion A2 Space-Time Smackdown focuses on Generation 4's Diamond and Pearl. Only a handful of cards from among more than 240 were revealed, leading players to predict the meta. Honchkrow,

This means that players actually won't be able to trade cards from the Space-Time Smackdown expansion when it launches, and will instead have to wait for that option. It also means that all the Pokemon TCG Pocket rarest cards can't be traded, so if you wanted somebody's gold Mewtwo ex, you won't get it.

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The Space-Time Smackdown cards are coming to Pokémon TCG Pocket before the end of January, adding more than 140 new cards across two booster packs. The Space-Time Smackdown expansion will focus on the Sinnoh region and will feature Dialga and Palkia as the figurehead Pokémon for the two new packs.