Standard format (TCG)/Foreign Language Cards

Prior to the 2009-2010 tournament season, foreign-language prints of cards could also be played without limit, as long as the user provided a local-language reference outside the deck. Starting with the 2009-2010 season, however, sanctioned events began to require players to play with cards printed in English or an region's local language (for example, players in are restricted to English cards only, whereas players in  can also use cards in French). Some American players who had invested in Japanese versions of cards which were generally less expensive, voiced their displeasure with the change of rules, and as a result, the rules were amended for the 2009-2010 tournament season to allow up to 10% of a player's deck (six cards) to consist of foreign-language cards. Beginning in the 2010-2011 season, Play! Pokémon followed through with their initial plan to allow only English and local-language cards in premier events.