A new monster for Academia’s top assassin, and Aki finally gets her own /Assault Mode evolution!
Yu-Gi-Oh! Official Card Game Duel Monsters: Official Card Catalogue: The Valuable Book EX6
Release Date: March 19th, 2026
Size: B5
192 Pages
Price: 1650 Yen
ISBN: 978-4-08-779836-4
An official card catalogue that documents all “Yu-Gi-Oh! Official Card Game” items that appeared between April 2025 and March 2026. Card information, Theme explainations, Stories, and Reference material are included, along with two special exclusive “Yu-Gi-Oh! Official Card Game” cards, “Black Rose Dragon/Assault Mode” and “Predaplant Dheadevil”!
Note: At current we cannot suss out the Predaplant’s name properly, we’ll get back to you on this.
Shueisha is the publisher of the Yu-Gi-Oh! comics and its strategy guides and card catalogues.
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![The Valuable Book EX6 [OCG]](https://cdn.ygorganization.com/2021/11/ocglogo-1024x541.jpg)


7 Comments
huh didn’t see that coming
I hope Dheadevil is a Synchro
So what will the assault mode do? Banish all your opponents cards and (as a quick effect) target a monster shrink it to 0, and negate its effects?
Now if Aki could get a Majestic Rose Dragon and a Nebula Rose Dragon cosmic synchro we’d be getting somewhere.
Majestic Rose Dragon and Majestic Fairy Dragon have been longtime 5D’s-related wants of mine.
Aki and Yuri kinda use similar decks. Borh Plants with Dragons as there ace.
Dang no pictures of the cards.