[[Spanish release date::| ]][[Spanish Sneak Peek date::| ]] The Yu-Gi-Oh! Monster Capsule: Breed and Battle promotional cards are a set of ten Konami's Yu-Gi-Oh! Duel Monsters cards released with the video game Yu-Gi-Oh! Monster Capsule: Breed and Battle. These cards are not part of the Yu-Gi-Oh! Official Card Game as they were released before the game was created. This set and the Yu-Gi-Oh! Duel Monsters promotional cards are the only sets to contain such cards.