There are no doubt decks like Jared Cathalion that enjoy the fact everything is a rainbow, but the mana fixing part probably isnt enough to run this thing on its own
When these cards are finally available, players should simply be able to craft them using wildcards as usual
The Pokemon TCG has exploded in popularity in recent years leading to many rare cards from new sets garnering high price tags among collectors

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Previously, the reason to not play combo decks was due to their lack of consistency, but with an increase in consistency, you'll also see an increase in meta percentage of decks like Neobrand, Tron, Infect, Amulet Titan, and Goryo's Vengeance