BOOSTER BOX CONTENTS: Each Supreme Darkness display box contains 24 individual booster packs with 9 cards per pack for a total of 216 trading cards NEW ARCHETYPE: Features powerful new "Evil HERO" monsters, expanding the dark counterpart of the Elemental HERO series with sinister new strategies COLLECTOR VALUE: Includes rare, super rare, ultra rare, and secret rare cards with special foil treatments and unique card designs GAMEPLAY ENHANCEMENT: Introduces new mechanics and support cards that strengthen existing dark attribute decks and villain-themed strategies COMPETITIVE READY: Perfect for tournament players and collectors alike, offering cards that can be used in official Yu-Gi-Oh! Trading Card Game matches