These were exclusively sold at the Pokemon Center Store in Japan in 2019.
Great collector's item!
These decks are all new and sealed.
Includes a deck of 36 cards illustrated by the legendary Pokemon illustrator, Ooyama.
Also included is a set of instructions on how to play the game. The English instructions are on the reverse side of the fold out leaflet.
Limited in quantity with these and they're only becoming more scarce!