When Pokemon Gold and Silver were released more than 2 decades ago, the games first introduced the concept of Shiny Pokemon.

Popular choices, like Lugia, Gengar, and Umbreon, claim spots among the valuable Secret Rares in the Pokemon TCG.

Normal (left) vs Shiny (right). Credit reddit user skinnysnorlaz They won't appear as a different colour in the field, so you have to attempt to catch them first. They of course can also appear in ...

Pokemon Go's Sparring Partners Raid Day has an extra incentive for players to participate, as the Shiny rates for 3 Pokemon will increase.