Legend of Blue Eyes White Dragon (LOB) is one of Yu-Gi-Oh!'s first trading card series. The cards in this series are known for their powerful game mechanics and eye-catching designs. LOB cards contain a variety of monsters, magic games and traps that allow players to defeat their opponents and upgrade their deck. The series is especially popular with collectors and older Yu-Gi-Oh! fans who have lived through the game's beginnings. LOB cards can be purchased in booster packs or as single cards to build a comprehensive collection or complete existing collections. The cards are an important part of the Yu-Gi-Oh! story, offering players the opportunity to experience the beginnings of the game.