** [[September 2004 Lists|September 2004]] Forbidden and Limited card lists take effect.
** TCG release of [[2004 Collectors Tins]].
** OCG release of [[Movie promotional card]].
* '''23''' - OCG release of [[Expert Edition Volume.1]].
* '''28''' - Release date for ''[[Master Guide]]''<ref>[http://books.shueisha.co.jp/CGI/search/syousai_put.cgi?isbn_cd=4-08-782089-0 books.shueisha.co.jp] ''Master Guide''</ref> and its [[Master Guide Promos|promotional cards]].