The Arena of Lost Souls booster set contains 50 cards in total:
- 34 Commons
- 8 Super Rares
- 8 Ultra Rares
45 cards are regular Yu-Gi-Oh! cards with the Speed Duel watermark, 5 cards are Skill cards. You may not receive the full set in any given booster box.
4 randomly assorted cards per booster, 4 common cards per pack, with 1 card being replaced by either a Super Rare or Ultra Rare when they appear.
Each Box is sealed and contains 36 booster packs