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Screenshots

  • Deck Builder for Union Arena screenshot 1
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  • Deck Builder for Union Arena screenshot 3
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  • Deck Builder for Union Arena screenshot 8

About Deck Builder for Union Arena

Note: This app is not affiliated with or endorsed by the official Union Arena game publishers or Bandai Card Games. It is a fan-made companion app designed to enhance your gaming experience.

Deck Builder for Union Arena: Your Ultimate Union Arena TCG Companion

Dive into the world of Union Arena with the most comprehensive deck-building and card management app available!

Key Features:

• Browse and search through an extensive card database

• Build and manage your decks with ease

• Scan your physical cards to quickly add them to your collection

• Share your decks and discover new strategies from the community

• High-quality card images for an immersive experience

• Offline access to your entire collection

Whether you're a seasoned pro or just starting out, Union Arena Decks is your go-to tool for mastering the game. With our intuitive interface, you can effortlessly create, edit, and analyze your decks to gain the competitive edge.

Exclusive Pro Features:

• Ad-free experience

• Advanced deck analysis tools

• Priority support

Stay ahead of the competition with real-time updates on new card releases and meta shifts. Our app syncs across devices, ensuring your collection is always up-to-date and accessible.

Join thousands of Union Arena enthusiasts and take your game to the next level. Download Union Arena Decks now and unleash your strategic potential!

What’s new

Version 1.2.31 · Updated September 5, 2026

This release brings bug fixes related to TCGPlayer pricing and buy boxes

User reviews

nathan holstrom
nathan holstrom
amazing tracking of current decks and card collection.

Alternatives to Deck Builder for Union Arena

Looking for apps like Deck Builder for Union Arena? Here are 4 similar Android apps on Google Play. The highest rated is Foodoo (5.0/5), and all 4 are free to download.

Deck Builder for Union Arena vs. alternatives
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Deck Builder for Union Arena 4.0 / 5 Free 1,000+ Sep 5, 2026
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