Hydreigon from the Legendary Treasures set is a Rare Holofoil variant card, numbered #99 in the collection. As a Dark/Dragon-type Pokémon, it features striking artwork and powerful gameplay potential, appealing to both collectors and players. Currently valued at $3.78, this card holds significance in the market due to its unique design and rarity within the set, making it a noteworthy addition for enthusiasts.