Based on a Japanese manga series by Kazuki Takahashi in 1996, Yu-Gi-Oh! has grown into an anime TV series, feature films, books, toyline, video games, and a very popular trading card game from Konami.

If there's one thing that's never been consistent in Yu-Gi-Oh, its pricing. While cards might start out expensive, all it takes is a ban list change or a reprint to completely crash a card's price.

Yu-Gi-Oh's first-ever serialized cards are already fetching some ridiculously high prices on the secondary market, with a Japanese shop paying over 1 million yen for a new card depicting Dark Magician ...