This is because there are two main factors that influence the cards rarity: The PSA grading is undoubtedly the first and foremost factor in how valuable the card is
Decree of Justice helped to make Mono-White Control a winner when it was printed, which I played heavily and even wrote a primer on it here ( You can wait until EOT, tap out and cycle for a ton of 1/1 and then you drew a card and it was hard to answer since you cannot counter a cycle since it wasn't cast
Once per turn, when a monster effect activated by your opponent resolves, you can detach 1 material from a "Ryzeal" Xyz Monster you control, and if you do, negate that effect
Zamani (ESA/Webb)
The Pokemon Company revealed a new board game inspired by the Pokemon Trading Card Game ( TCG ) called Pokemon Trading Card Game Battle Academy
Players earn invitations to the World Championships based on their performance in qualifiers and other tournaments held throughout the season and compete for scholarship money, prizes and the title of World Champion