for advanced 3DS editing from the community at Project Pokémon. Check out the Universal Pokémon Randomizer ZX Wiki
Finding a direct "download" for a randomized Pokémon X or Y ROM is difficult because sharing pre-randomized ROM files is generally illegal and against many site policies. Instead, the standard and safest method is to download a randomizer tool and apply it to a copy of your own game file Recommended Randomizer Tools
file of Pokémon X or Y. This is usually "dumped" from your own physical cartridge using a hacked 3DS with Decrypt the File
to see an experimental branch that adds extra features like Pokémon palette randomization. Are you planning to play this on an like Citra or on an actual 3DS console pk3DS: Pokémon 3DS ROM Editor and Randomizer
Choose your settings (e.g., random starters, wild Pokémon, or abilities). Save/Export For Emulators : Click "Randomize" to save a new, randomized ROM file. For 3DS Hardware