Bandai UNION ARENA STEINS;GATE [UA57BT] Japanese Booster Box

Enter the world of STEINS;GATE with UNION ARENA Booster Pack [UA57BT], a Japanese trading card release from Bandai.

The set features eight major characters from the series: Rintaro Okabe, Mayuri Shiina, Itaru Hashida, Kurisu Makise, Moeka Kiryu, Luka Urushibara, Faris NyanNyan and Suzuha Amane.

UA57BT includes numerous newly created original illustrations, along with parallel cards and Action Point cards designed for both gameplay and collecting.

Each sealed Japanese booster box contains 16 packs, with 8 Japanese-language cards randomly enclosed in each pack.

• Type: Trading Card Game Booster Box
• Format: UNION ARENA
• Manufacturer: Bandai
• Series: STEINS;GATE
• Set Code: UA57BT
• Edition: Japanese Edition
• Packs Per Box: 16
• Cards Per Pack: 8
• Release Date: October 16, 2026

• Official Japanese UNION ARENA booster for STEINS;GATE
• Features 8 major characters from the series
• Includes many newly created original illustrations
• Includes parallel card treatments
• Includes 12 Action Point card types
• Features a limited serial-numbered AP card campaign
• 16 booster packs per sealed Japanese box
• 8 Japanese-language cards per pack

• SR (Super Rare): 12 types
• R (Rare): 12 types
• U (Uncommon): 28 types
• C (Common): 28 types
• AP (Action Point): 12 types

Parallel versions are included in addition to the listed card types.

A very small number of STEINS;GATE [UA57BT] booster packs may contain special serial-numbered Action Point cards.

These limited AP cards are planned to feature handwritten signatures from members of the STEINS;GATE cast, making them some of the most desirable collector cards in the set.

Availability is extremely limited, and a serial-numbered AP card is not guaranteed in any individual pack or booster box.

UA57BT brings together the core Future Gadget Laboratory cast and other major characters from STEINS;GATE.

Featured characters include Rintaro Okabe, Kurisu Makise, Mayuri Shiina, Itaru Hashida, Moeka Kiryu, Luka Urushibara, Faris NyanNyan and Suzuha Amane.

The broad character lineup gives collectors multiple opportunities to chase favorite characters across standard, parallel and Action Point card treatments.

In addition to the main card lineup, STEINS;GATE [UA57BT] includes newly created original illustrations, parallel cards and 12 Action Point card types.

The combination of original artwork, premium parallel treatments and the ultra-limited serial-numbered AP campaign gives the set strong appeal for both STEINS;GATE fans and UNION ARENA collectors.