Here's why:
* Forbidden Memories is a PS1 game: It predates the "Magician of Black Chaos" card, which was introduced in the *Yu-Gi-Oh! GX* anime and the *GX* card set.
* Limited card pool: The game has a limited card pool, featuring only cards from the original anime and early trading card sets.
If you're looking for "Magician of Black Chaos" in a Yu-Gi-Oh! game, you'll need to look at more modern titles like:
* Yu-Gi-Oh! Duel Links: This mobile game features "Magician of Black Chaos" and other cards from the *GX* era.
* Yu-Gi-Oh! Master Duel: This free-to-play PC and console game has a massive card pool, including "Magician of Black Chaos."
Remember, Forbidden Memories is a classic game with its own unique charm, but it's not going to have every card from the franchise.