Mystery (TCG GB1)
Mystery is one of the five sets found in Pokémon Trading Card Game for the Game Boy Color.
On the cover of the booster pack features an {{p|Articuno)).
Club Masters and their Club Members usually give out the booster packs when you defeated any of them. They are:
Some of Dr. Mason's mail have some of the booster packs as an attachment.
It includes cards from Base Set, Jungle set, Fossil set and also has three additions of Flareon, Vaporeon and Jolteon, which are all exclusive to the game.