Yu-Gi-Oh! - Gem-Knight Amethyst (HA06-EN047) - Hidden Arsenal 6: Omega Xyz - 1st Edition - Secret Rare A single individual card from the Yu-Gi-Oh! trading and collectible card game (TCG/CCG). This is of Secret Rare rarity. From the Hidden Arsenal 6: Omega Xyz set. You will receive the 1st Edition version of this card.