Unfortunately, the series has several shiny Pokemon whose color palettes are very reminiscent of the regular version, such as Articuno
You can still make money with Pokmon cards without grading, but for vintage pulls or first-edition holos, grading is the tool that unlocks the highest price tier
Check out my page, I have lots of Pokemon options
Inside every box is a graded Pokemon Card and a reproduction Gameboy Cartridge, and what's cool is that the items are packed inside a 'Base Set Booster Box' inspired box
I think you could only pull it from call of legends packs that were in some sort of promo box
Pokmon Star cards are essentially the TCG version of shiny Pokmon, depicting a different colour Pokmon on a card, and also being very rare