Each Booster Pack contains 12 cards. Each box contains 16 packs.
There are 4 rarity levels: Common (C), Uncommon (U), Rare (R), and Super Rare (SR), with AP cards included at a low pull rate. 
The lineup features a total of 116 card types plus 8 types of AP cards.
Additionally, alt-art cards are also included!
Power up your favorite deck and make playing UNION ARENA even more exciting!
Includes a foil stamping autograph ★★★ card signed by the voice actor!
Includes a special SR★★★ foil-stamped autograph card from the Japanese voice actor of Yusuke Urameshi