The official discord link if you wish to join the discord: https://discord.gg/j5RKwCvAFu
The background art comes from Cherylann1960.
Pages that link to "File:Y2Mate.is - Pokémon Omega Ruby & Alpha Sapphire - Regirock, Regice & Registeel Battle Music (HQ)-jiDgi4BN7aE-160k-1646616401018.mp3"
From The Codex