Inside the briefcase comes with a total of 61 cards, including three cards that will appear for the first time to the OCG as they only appear in the manga. These cards are: Attack Guidance Armor, Life Shaver, and Magical Trick Mirror. These three cards are Trap Cards. Since this is the Ultimate Kaiba Set, the set also includes Kaiba's 3 Blue Eyes White Dragon cards, which are Secret Rare varieties. The other cards in the set are the Ultra Rare variety.
The Ultimate Kaiba Set cost 33,000 yen and is set for an April 2022 release. Pre-orders will run from September 21 to October 31.