From a flying Dragonite card that was only available during a tournament to a highly sought-after Japanese Charizard promo card, some Pokemon promo cards are worth keeping an eye out for

As you might expect from a searchable database, you can search for cards with a variety of filters, including by name: Or Mana Value, Rules Text, Card Type or Subtype: Or any of these terms available in early access: Card Name : Standard card name entry Rules Text : For example, to find all cards that say flying Card Type : To see which flyers are also artifacts Color : To specify which color of spells youre looking for (including none) Mana Value : For finding the card that has a specific mana value or fits within a range of values Power : To find the hardest hitting creature Toughness : To find the toughest critter on the block Format : To narrow the range of cards your search looks through to only the ones legal for your deck Expansion : For finding the perfect card from a specific Magic set Rarity : To make sure you get the common, uncommon, rare, or mythic rare you need Artist : To find the image illustrated by your favorite Magic artist Mark (not Rosewater!): To identify watermarks on your card, like the Simic guild or Temur clan You still cant quite search for lore text or by different, specific card criteria like whether or not it has a token associated with it, or to see if a card has been printed exactly once , so it doesnt exactly duplicate what youd get from Scryfall

These cards are also usually PSA 9-10 graded meaning they have to be in stellar condition, not just sitting in a shoebox somewhere, in order to see these ranges of prices
Graded Population Report: Xatu #26 Visualize the distrbution of grades in the chart