https://soundcloud.com/glitchxcity/x-and-y-legendary-battle-remix

My jam. This is made by GlitchxCity, who makes Pokémon and (sometimes) Undertale remixes, along with other titles like Overwatch. All of them are amazing, and please enjoy the song. (By the way, she recently posted a Guzma Theme remix there. Just click on her account name. ;)  )