Items, Data cards, #508
Data Card 23 appears in 8 version groups since Generation IV, a Data cards item in the Key Items pocket
PokéAPI item 508 of 2,223, Data cards category, Key Items pocket
Effect, in PokéAPI's words
Data Card 23: “Records the number of times the trainer has switched Pokémon in the Pokéathlon.”
Games
Data Card 23 is listed in the text of 8 version groups, first in Generation IV
Game index by generation
IIIIIIIVVVIVIIVIIIIX
Named in
HeartGold and SoulSilverBlack and WhiteBlack 2 and White 2X and YSun and MoonUltra Sun and Ultra MoonLet's Go Pikachu and Let's Go EeveeSword and Shield