Union Arena: Kagurabachi Booster Box marvel - 3 Serial Numbered Inserts

- 3 Serial Numbered Inserts Cards

Chase these aptly named short printed cards based on the now-iconic

you could only get your hands on these coveted packs as part of the Legendary Collection

delivering a deep checklist spanning top rookies to the greatest players in baseball history

- Iconic inserts Renaissance and The Shiny make their Premier League debut

Union Arena: Kagurabachi Booster Box marvel - 3 Serial Numbered InsertsThe globally popular KAGURABACHI, a Neo Japanese KATANA Action manga, is coming to the English version of UNION ARENA! Following its Japanese release in December 2025, the English version will launch in February 2026. Based on the hit SHONEN JUMP series starring Chihiro Rokuhira, this is the fastest TCG adaptation of the manga. Already a top selling sword action title in recent Japan and worldwide, KAGURABACHI is serialized on Manga Plus, with English