The Serperior 7/124 Reverse Holo card from the Pokémon XY Fates Collide set is a highly sought-after collectible for fans of the Pokémon Trading Card Game. This card features Serperior, a popular Pokémon character, in a special holographic design that adds to its appeal. As a Pokémon card, it plays a role in gameplay and can be used to battle other players' cards. With its unique design and rarity, the Serperior 7/124 Reverse Holo card is a valuable addition to any Pokémon card collection.