Sorry OG Game Boy puzzle lovers, this Pokmon experience is a GBC exclusive
It will likely be revealed within the next week or two
I can see logic for taking Fire // Ice, as its a flexible and efficient removal spell, but I would prefer to take Hero of Leina Tower or Lord of Extinction as a green archetypal payoff, or Satyr Wayfinder, which is one of the best green enablers
And best of all, you only need 4 copies of any card ever because all your decks share the same virtual card pool and you dont need multiple 4-copy sets of the same card if you want to reuse it in other decks (which is another reason why the secondary market is so well supplied)
Blue can draw the most, sure, but it also has many, many redundant effects and cheap options on the curve that can do other things
There are a few factors you can use to decide if it makes sense