In ancient Egypt there existed a force so powerful, it had to be locked away for a millennia. Now one boy has released the power! It's time to duel!
This set main focuses are on Rock-Type monsters and the archetype "Elemental HERO", capitalized "Elemental Hero" at the time. It also introduced several cards used in the Yu-Gi-Oh! GX series.
• Each The Lost Millennium - Booster Pack [Japanese] contains 5 randomly inserted game cards