There have been plenty of Bloomburrow Commander cards discussed both in power level and price, but the Standard set entries aren't too shabby, either
What Makes a Pokmon Card Expensive (and How to Spot Valuable Ones) A seven-figure price tag raises an obvious question: why is one piece of cardboard worth a fortune while a near-identical card is worth pocket change
Mind Twist (Beta) Do the twist Peak price: $208,940.97 This is a fun one
It's also worth mentioning the Standard format that will lose Torrential Gearhulk after the rotation, which has a similar effect
Most often, cards were signed by the artist or a champion competitor, and since signatures always add to the price tag, it's worth doing a little research after you've secured it for yourself
Thanks for reading, stay safe, and make a great escape