do all pokemon cards go up in value Why Are Pokémon Card Prices Going Nuts? I'm Watching These Pokemon Cards

Once the maximum number of copies has been reached for a card type, duplicates will get converted into Credits that can be exchanged for any card that a player does not already have in their collection (up to the maximum number of copies allowed)

I believe the card is the one PFM mentioned

However, shiny Pokemon are always desirable, so there's hope that this card could leapfrog the next card on the list

1 Shining Magikarp: Neo Revelation First Edition (Secret Rare) $451.51 Shining Bright In The Sea Shining Magikarp swims away with the victory, as this fabulous first edition card finds itself among the top-tier of cards on another list, after previously earning its place among the best cards in Neo Revelation