FIREFOX: https://addons.mozilla.org/en-US/firefox/addon/pokemon-showdown-randomizer/

CHROME: https://chromewebstore.google.com/detail/pokemon-showdown-randomiz/dgbjcmccheghgeihjfcmkpfdkdkppolh?authuser=0&hl=fr

DOWNLOAD AT https://github.com/Maxouille64/RandomTeamBattle/blob/main/RTB.xpi?raw=true

play random team from huge smogon team dump by FullLifeGames see https://www.smogon.com/forums/threads/smogon-rmt-team-dump.3622884/

also thx to pre for his ps API which allows to pack teams easily see https://github.com/pkmn/ps/tree/master/sets and https://www.smogon.com/forums/threads/pkmn-ps-unofficial-pok%C3%A9mon-showdown-packages.3671010/