Whether you're looking to simply collect as many Pokmon cards as you can, or if you're hoping to stash some away to give your kids in a decade or two, there's such a huge variety that there's no right answer - but there are some that are more worth getting over others
Here's why: Let's examine two possible decks
However, a similar card like Snapcaster Mage might be considered better due to its flexibility in instant-speed casting and potential for additional value
Multipurpose Creature/Ramp A good ramp spell for a green and white token deck could be including a copy of Jaheira, Friend of the Forest which lets each token creature tap for green mana
The next most expensive card is the completely unplayable Acorn card Oracle of the Alpha, which sells for $232
That gives you a list of recent, completed sales rather than hopeful asks