Yu-Gi-Oh! OCG Japanese Duelist Advance (DUAD) Booster Box, Factory Sealed This is the official Japanese OCG booster box Duelist Advance (DUAD, 1301), factory sealed with original shrink wrap. This core booster set features new archetypes and support cards for many popular existing themes. The box includes a bonus +1 Assist Pack, which contains reprint cards useful for deck building. Box Specs: 30 packs per box, 5 cards per pack. Comes with 1 bonus Assist Pack. The set includes Prismatic Secret Rare, Ultimate Rare, Ultra Rare and Super Rare cards. Great for players building new decks and collectors. Factory sealed, unopened