That is right! One Shiny Pokemon for you!
As of right now, you can get a Shiny Lucario in Mystery Gift. This Shiny new buddy will come with the following moves: Flash Cannon, Aura Sphere, Bullet Punch and Ice Punch.
If you want to recieve this Shiny Lucario then you will need to use the following code in Mystery Gift: SH1NYBUDDY
This Shiny Lucario Distribution Event will run to January 3rd, 2024.