The most expensive Pokémon card in the world is the Pikachu Illustrator card. Only six of these cards exist. They were created for a contest run by CoroCoro magazine in which children were invited to design their own Pokémon cards. The six winners won these holofoil trophy cards. They have been valued at up to $20,000.Of the mass produced Pokémon cards, the most popular and expensive card is Charizard. It's valued for its high HP of 120 and its devastating "Fire Spin" attack. It can fetch up to $125, but only if it's a first edition card.