If you look at population reports across grading companies, there just isnt that much out there
Its still a decent card, though
Secret Door It may surprise you, but Secret Door is one of the best mana sinks and win conditions you can have when you get access to infinite blue mana, as you can endlessly go through all dungeons and win with it
This build combines the Endymion Pendulum monsters with Exodia support, abusing Magical Abductor to search pieces, Union Carrier to search pieces in tandem with Obliterate
1 Pikachu ex (Special Illustration Rare) $437.49 In A Different Stratosphere Pikachu ex stands alone as the most valuable card in Surging Sparks, boasting an almost unthinkable value to kick off its Pokemon TCG career
Spend a couple weeks learning that set