Crimson Crisis establishes the all-new Assault Mode monsters and Synchro Monsters which 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 the new Synchro Monsters, Tuners, and new themes like the Dark "Blackwing" monsters. Duelists everywhere beware because the onslaught of Crimson Crisis is drawing near!
• Each Crimson Crisis booster pack contains 9 randomly inserted game cards.