The Gyarados 21/98 XY-Ancient Origins Reverse Holo card is a highly sought-after collectible in the Pokémon TCG game. This card features the powerful character Gyarados with 130 HP and is a Holo Rare card with a speciality of being a Double card from the XY-Ancient Origins set. Manufactured by The Pokémon Company, this Stage 1 Pokémon card is in English language and has a shiny Reverse Holo finish, making it a prized possession for collectors and players alike.