Mox Sapphire, a notable card from the Magic: The Gathering Beta set, holds an Unknown rarity and is currently valued at $6,013.55. As a powerful artifact that allows players to generate blue mana, it is highly sought after by collectors and competitive players alike. The card's scarcity and historical significance contribute to its strong market presence, making it a key piece for both gameplay and collection. Graded examples often fetch higher prices, reflecting its enduring demand.