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- QUESTIONNAIRE has been updated
- Jan. 30, 2026
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- QUESTIONNAIRE has been updated
- Jan. 30, 2026
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- QUESTIONNAIRE has been updated
- Jan. 30, 2026
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![KAGURABACHI [UE16BT] Release Event has been added](/na/images/common/pages/img_thumbnail_kgr.png)
- KAGURABACHI [UE16BT] Release Event has been added
- Jan. 30, 2026
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- CARD LIST has been updated
- Jan. 30, 2026
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- GALLERY has been added
- Jan. 30, 2026
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- VIDEO has been updated
- Jan. 30, 2026
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![KAGURABACHI [UE16BT] has been updated](/na/images/products/boosters/kgr-1/img_thumbnail.png?v)
- KAGURABACHI [UE16BT] has been updated
- Jan. 23, 2026
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- Recommended Decks by Title has been updated
- Jan. 23, 2026
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- BANDAI CARD GAMES Fest 25-26 in Las Vegas with Toy and Hobby Expo has been updated
- Jan. 23, 2026
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- CARD LIST has been added
- Jan. 16, 2026
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- FAQ has been added
- Jan. 16, 2026
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- Championship 26-27 Offline Regionals Wave 1 has been added
- Jan. 16, 2026
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- UNION ARENA Online Battle has been updated
- Jan. 16, 2026
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![BOOSTER PACK Inuyasha [UE23BT] has been added](/na/images/products/boosters/iys-1/img_thumbnail.png)
- BOOSTER PACK Inuyasha [UE23BT] has been added
- Jan. 09, 2026
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- Recommended Decks by Title have been added
- Dec. 25, 2025
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- Top-Placing Decks have been added
- Dec. 25, 2025
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- UNION ARENA Online Battle has been added
- Dec. 22, 2025
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- VIDEO has been updated
- Dec. 19, 2025
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- Championship 26-27 has been added
- Dec. 19, 2025
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- UNION ARENA RARE BATTLE 2026 January-February has been added
- Dec. 19, 2025
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- Sword Art Online Vol.2 [UEX06BT] has been updated
- Dec. 19, 2025
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- Evangelion: New Theatrical Edition [UE15ST] has been updated
- Dec. 19, 2025
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- Evangelion: New Theatrical Edition [UE15BT] has been updated
- Dec. 19, 2025
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![Evangelion: New Theatrical Edition [UE15BT] Release Event has been added](/na/images/common/pages/img_thumbnail_eva.png)
- Evangelion: New Theatrical Edition [UE15BT] Release Event has been added
- Dec. 19, 2025
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![Sword Art Online Vol.2 [UEX06BT] Release Event has been added](/na/images/common/pages/img_thumbnail_sao.png)
- Sword Art Online Vol.2 [UEX06BT] Release Event has been added
- Dec. 19, 2025
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- TITLES has been added
- Dec. 19, 2025
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![BOOSTER PACK Chainsaw Man [UE22BT] has been added](/na/images/products/boosters/csm-1/img_thumbnail.png)
- BOOSTER PACK Chainsaw Man [UE22BT] has been added
- Dec. 19, 2025
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![BOOSTER PACK The 100 Girlfriends Who Really, Really, Really, Really, REALLY Love You [UE21BT] has been added](/na/images/products/boosters/rly-1/img_thumbnail.png)
- BOOSTER PACK The 100 Girlfriends Who Really, Really, Really, Really, REALLY Love You [UE21BT] has been added
- Dec. 19, 2025
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- GALLERY has been added
- Dec. 12, 2025
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- CARD LIST has been updated
- Dec. 12, 2025
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- QUESTIONNAIRE has been updated.
- Dec. 12, 2025
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- VIDEO has been updated
- Nov. 28, 2025
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- CARD LIST has been updated
- Nov. 28, 2025
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- CARD LIST has been updated
- Nov. 28, 2025
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- FAQ has been added
- Nov. 28, 2025
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- Store Tournament 2026 Vol. 1 has been added
- Nov. 28, 2025
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- Offline Regionals 3on3 Side Event Tournament has been updated
- Nov. 28, 2025
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- GALLERY has been added
- Nov. 28, 2025
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- QUESTIONNAIRE has been updated
- Nov. 28, 2025
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- Producer’s Message vol.5 has been added
- Nov. 21, 2025
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- About Banned/Restricted Cards has been updated
- Nov. 21, 2025
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![SPECIAL BOOSTER PACK That Time I Got Reincarnated as a Slime [UE20BT] has been added](/na/images/products/boosters/tsk-1/img_thumbnail.png)
- SPECIAL BOOSTER PACK That Time I Got Reincarnated as a Slime [UE20BT] has been added
- Nov. 21, 2025
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- TITLES has been added
- Nov. 21, 2025
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- Championship 25-26 North America Finals has been updated
- Nov. 21, 2025
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- FAQ has been added
- Nov. 14, 2025
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- CARD LIST has been added
- Nov. 14, 2025
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- BANDAI CARD GAMES Fest 25-26 in in Las Vegas with Toy and Hobby Expo has been added
- Nov. 14, 2025
-
- BANDAI CARD GAMES Fest 25-26 has been added
- Nov. 14, 2025
-
- Championship 25-26 North America Finals has been updated
- Nov. 14, 2025
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- Championship 25-26 Offline Regionals has been updated
- Nov. 14, 2025
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- Playmat & Action Point Cards Set SOLO LEVELING has been added
- Nov. 14, 2025
WELCOME TO UNION ARENA
''UNION ARENA'' is a
''COMMON RULES TRADING CARD GAME''
that allows you to play a card game
using each of your favorite characters,
and you only need to learn one set of rules.
VIDEO
