Even though ultra-rare shiny Pokemon were only properly introduced in Pokemon Gold and Silver, that doesn't mean that they don't exist in Red, Blue, and Yellow, and one mod will make sure you'll never ...
Shroomish and Breloom both turn a lovely clear orange and yellow when shiny. Breloom is both usable in some PvP leagues and as a fighting-type attacker in PvE. Not bad, mushroom with hands.
(Image via pokemon.com) Remember though, unlike Community Day events, shiny rates are not boosted, so the chances of catching one are very low! Shiny Galarian Slowpoke is a golden boi. Its yellow ...