S5a Matchless Fighter Booster Box
Release date: March 19 2021
Fore more info:
https://www.pokebeach.com/2020/11/matchless-fighter-revealed-as-marchs-japanese-set
Release date: March 19 2021
It will contain 70 cards + secret cards (SR cards or better).
This subset will release on March 19, 2021.
1 Booster Box includes 30 packs. 1 pack includes 5 cards.
Fore more info:
https://www.pokebeach.com/2020/11/matchless-fighter-revealed-as-marchs-japanese-set