Evolution, Paldea forms and Mega Evolution.
The sprites are among those created by Game Freak, publicly available on Pokémon Showdown, and the Mega Evolutions of Pokémon Z-A are divided among the creators [KingOfThe-X-Roads] https://x.com/kingofthexroad5 and [RetroNC] https://youtube.com/@retronc Both approving the use of their sprites and requesting to be named.
🔴Paldea(Gen9)
by Ratclife