Mystic Swordsman LV4 is a character version of the card, "Mystic Swordsman LV4". Mystic Swordsman LV4 appears in the video game, Yu-Gi-Oh! World Championship 2007. He appears as a Level One Limited Duelist and he challenges the player to not used monsters with Level 5 or above. By beating him, the player gets closer to unlocking Level Two Limited Duelists and a new Booster Pack.