They’re the kind of card you squeal about when you find in a booster pack. Gold Pokémon cards are, by definition, rare. And now they have some spare cash laying around, they’re ready to pay a pretty penny of a rare Pokémon card. Pokémon Trading Card Game (TCG) collectors are no longer little kids and gawky teens – as Pokémon has aged, so has the players, collectors and champions who love it.