3 Booster Packs + 1Variant Card per Special Edition Pack / 10 Special Edition Packs per Box The assault is on! The third Yu-Gi-Oh! TRADING CARD GAME booster in the 5D's series, Crimson Crisis, introduces the new Assault Mode monsters. Synchro Monsters can be transformed to Assault Mode, making them incredible fighting forces with massive attack points and potent effects. This all new 100 card booster set will improve any Duelist's collection with new Synchro Monsters, Tuners, and new themes like the Dark Blackwing monsters. Duelists everywhere beware because the onslaught of Crimson Crisis is drawing near! Features: You can transform your Synchro Monsters into Assault Mode, increasing their attack power and unlocking powerful new effects! Includes 30 cards featured in the Yu-Gi-Oh! 5D's television series, including Yusei's Hyper Synchron and the fearsome Flying Fortress SKY FIRE. New Synchro Monster Cards and more bring new strength to Psychic, Plant, and Alien monsters. 100 card booster set featuring 10 all-new cards not available in Japan, including cards like Dark Voltanis that expand the power of popular decks.