It is virtually identical in terms of plot, save for a few minor changes, such as explaining that Akhenaden created the Pyramid of Light for his son Seto as a failed recreation of the Millennium Puzzle, and extra exposition, such as giving out detailed deck-lists for each character
Plan A is to just mill them early and Surgical Extraction out the Tron land as soon as possible
This is similar to how expansion sets are labeled in Japan
Which is to say, they created a new in-game economy that didnt work very well, so halved the number of cards you receive to fix their mistake
OFFICIAL CARD GAME DUEL MONSTERS - LIMIT OVER COLLECTION THE HEROES (BOX)
[4] If you drop your cards off later during the convention or the service isnt offering in-person grading, the service will then take your cards back to the grading offices and mail them out to you when theyre finished