Master Ball Foils saw incredible rises and falls in Scarlet & Violet: 151, and this Leafeon, along with its kin, are likely to see the same, especially given that Prismatic Evolutions offers them in English
Shocker Herman Schultz is a safe-cracker and a self-taught engineer who developed a pair of gauntlets capable of producing powerful vibrational shock waves
The certificate number will also be your best friend, as you can use it to verify the cards existence, when it was first graded and how many other similarly graded cards might currently be available.
As far as other sets, Foundations was responsible for adding six new Pirates to the game (the set also included a Pirate lord, so there was clearly a small Pirate theme in the set), Aetherdrift added eight Pirates, and Commander Legends added 20 brand-new Pirates to the game