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This list is not exhaustive, and there are plenty of other rare and expensive cards that could fetch you a pretty penny on the market today

And Teysa, Opulent Oligarch builds a small army of flying spirits when Clues hit the graveyard

This means, in theory, it takes two turns before the attack can be used again, but both of these decks also have reliable energy generation that allows players to speed that process up

Pikachu happens to be one of the poster-children of Pokemon so it definitely has more prints than a lot of cards, but even if you imagine 10% of that as an average per Pokemon (14 variations, or 5.5 prints) and multiply that out by the number of Pokemon presently in the franchise (721) youre looking at ~10k cards with variations or ~4k unique prints