The Shiny Rayquaza card is a collectible because it is a rare and exclusive item created just for Pokémon fans who are looking for something to add to their collection. It features a gorgeous, shimmering design and epic artwork, making it a must-have item for any Pokémon fan. Plus, it’s made from premium materials and designed to withstand the wear and tear of play. With just a few of these cards around, you will be sure to impress your friends with this one-of-a-kind piece of Pokémon memorabilia.