The Galvantula 42/114 Reverse Holo card from the XY Steam Siege set is a sought-after collectible card game item in the Pokémon TCG universe. This particular card features the character Galvantula, a Pokémon known for its Electric type abilities and sleek design. It is a valuable addition to any collector's deck, offering a rare and unique Reverse Holo design that sets it apart from other cards in the set. Perfect for avid Pokémon TCG players and collectors, this card is a must-have for anyone looking to expand their collection with a unique and special addition.