Magearna-EX, from the XY Black Star Promos set, is a Holofoil variant card designated as #XY175. With a Promo rarity, it features a unique design that appeals to collectors and players alike. Currently valued at approximately $1.90, this card reflects the ongoing interest in promotional Pokémon cards, particularly those with strong gameplay potential in competitive settings. Its market presence is stable, making it a notable addition to any collection.