Ultra Ball, a None rarity card from the Blastoise + Kyurem-EX Combo Deck set, holds a notable place in the Pokémon trading card game. As card number 009/018, it is valued at $1.99, making it an accessible option for collectors. Its utility in gameplay, allowing players to search for Pokémon, contributes to its consistent demand within the community. The card remains a staple for strategic deck-building in competitive play.