Shiny Grookey, Shiny Scorbunny, Shiny Sobble and the Shiny counterparts of their evolutions were recently revealed for Pokémon Sword and Shield. However, it’s important to note that the starters and Legendary Pokémon are Shiny locked, so you won’t be able to find them from the get-go. But there are a number of other Shinies you can encounter throughout Galar right away:
One type of shiny Pokémon is even rarer than usual
If you play Pokémon Sword or Shield, the shape of the sparkles that come off shiny Pokémon is another indicator of rarity, with square shinies being the rarest of all. Photo via @screenrant
Some have already encountered square shiny Pokémon
Related
https://twitter.com/TwitterMoments/status/1195991431262945280
You’re up to date
Source: Twitter.com
Pokémon Blog 