Mox Opal (Borderless) is a Mythic rarity card from the Double Masters set in Magic: The Gathering, designated as card #362. Currently valued at $299.50, it is a sought-after artifact that enables powerful acceleration in gameplay. Collectors appreciate its unique borderless design, which enhances its visual appeal and desirability in the market. Historical sales data indicates consistent demand, reflecting its significant role in both competitive play and collection.