A special pack that lets you look back on the 25th anniversary of “Yu-Gi-Oh! Official Card Game” will be released for two consecutive months! This product, “side:UNITY”, is the first of these packs. Cards used by characters throughout the series, and themes and cards that were active in the duel scenes of each era are all included in luxurious specifications that are always super rare or higher, and there are also quarter-century secret rare specifications for all 200 types!