1st Edition pack. The Maze of Millennia is a Yu-Gi-Oh! Trading Card Game (TCG) booster pack that introduces a variety of new cards from the OCG set Animation Chronicle 2023. It includes cards from popular characters like Yugi Muto, Yami Yugi, and others, as well as support for various archetypes such as "Arcana Force," "Dark World," "Fusion," "Number," "Photon," "Synchro," and "Xyz."