This is how the database earns its keep over a vague Google search: you can stack constraints and arrive at the exact short list of cards youd consider
Theres the core spell, which takes up most of the card, and a subtype Adventure spell, located in the bottom left
Card grading services are professional at it, and while how much it costs to get your card graded is a big discussion, for 100 of the most expensive cards that are worth hundreds or thousands of dollars, it makes sense and builds confidence and trust in your buyer
As a result, sometimes proxy/custom production can be way more interesting than the original one and can bring more joy and a gaming experience
You can read more about it here.
Because these are produced in extremely small quantities, they have become long-term grails for collectors seeking the pinnacle of One Piece rarity