The Wellspring Mask Ogerpon ex 050/187 Sv8a: Terastal Fest Ex Holo card is a speciality EX card from the Pokémon TCG, featuring an HP of 210 and being a Double Rare card. It is illustrated by Yukihiro Tada and manufactured by The Pokémon Company. This Basic Pokémon card is in Japanese language and has a Holo finish, making it a valuable collectible for fans and players of the game.