You can easily access the Pokemon Sword And Shield Nessa League Cards
Pokémon Sword & Shield - Galarian Star Tournament
Galarian Star Tournament: Location: Wyndon Details: After completing enough of The Crown Tundra, a new feature is unlocked in Wyndon. This is the Galarian Star Tournament and is a new twist on the rematches.
https://www.serebii.net/swordshield/galarianstartournament.s
Pokémon Sword & Shield - Champion Cup Rematches
Champion Cup Rematches in Pokémon Sword & Shield for Nintendo Switch. Lists all Pokémon and opponents in the Pokémon League
https://serebii.net/swordshield/championcuprematch.shtml