April 2004 Forbidden and Limited Lists
were Forbidden and Limited lists in the
, going into effect on April 19,
This list was an update to the previous
February 2004 list for the release of , adding four cards from that Booster Pack and changing one card from Invasion of Chaos Limited to Semi-Limited. It was updated for the release of on July 22, 2004, Ancient Sanctuary though the only change was the removal of the "Forbidden Cards for Asia" note. This list was followed by the  August 2004 Forbidden and Limited List.
From May 1, 2004 onward, players in the
TCG could use English cards from any territory, not just the territory designated for that card, meaning that any English card can be used around the world. However, Asian-English was still prohibited for any territory other than Asia.
"Effective April 19th, 2004, this is the list of Forbidden and Limited Cards from Konami.". Upper Deck Entertainment. Archived from the original on June 3, 2004 . http://web.archive.org/web/20040603030518/http://www.upperdeckentertainment.com/yugioh/forbidden.asp . Retrieved August 17, 2013. ↑
"Effective April 19, 2004, this is the list of Forbidden and Limited Cards from Konami. : Updated for Ancient Sanctuary!". Upper Deck Entertainment. Archived from the original on July 22, 2004 . http://web.archive.org/web/20040722043431/http://www.upperdeckentertainment.com/yugioh/forbidden.asp . Retrieved March 25, 2014.