You can see all of the Pokmon Sets and their symbols here: Pokmon Sets For the older cards, the set symbol is on the right half of the card, just below the Pokmon picture
Charizard will forever remain an iconic and desirable Pokmon in the TCG, which translates into the extremely high values these cards carry
The lesser-known Gitrog Monster, The Gitrog, Ravenous Ride, doubled up to $6 this week thanks to the new Secrets of Strixhaven commander Gorma, the Gullet, where it lets you sacrifice a creature to trigger Gorma while also drawing a bunch of cards
Alongside reprints from the base set, Pokemon Celebrations also includes classic cards from past attributes including Gold Star, Shining, EX, Lv
Hands-on Tutorials Using one-shot learning to identify thousands of classes with very few images per class
This is why I mention Legacy as its such a game-action-rich format that Discovery should cost one to two mana most of the time there