Yu-Gi-Oh! Duel Monsters 4: Battle of Great Duelist promotional cards

The Yu-Gi-Oh! Duel Monsters 4: Battle of Great Duelist promotional cards were released on December 7, 2000 and given away with the GameBoy Color game Yu-Gi-Oh! Duel Monsters 4: Battle of Great Duelist, which came out in three different versions: Yugi, Kaiba and Jonouchi. Each one of these games contains different promos. Were also released two strategy guides containing two promo cards related to these.