June 29th Update
Disclaimer: These cards were not found from the in-game files where we normally get our leaks. However, these images are provided by Konami and appear to be legitimate. We do not know the rarities nor the release date of these cards.
Extra Note: Konami potentially leaked the next Mini BOX name:Chronicle of Glory
Card List
Keep in mind that the datamined information is speculation, and remains unconfirmed until officially announced by Konami.
Tell us your thoughts on the new cards in the comments below!