List of Konami's Yu-Gi-Oh! Duel Monsters cards

This is a list of Konami's Yu-Gi-Oh! Duel Monsters cards. These cards predate the introduction of the Official Card Game and, as such, are not legal. There are twenty cards released in two sets, the Yu-Gi-Oh! Monster Capsule: Breed and Battle promotional cards and GameBoy Duel Monsters Promos: Series 1.