Whereas a sealed Topsun Blue & Green booster pack is worth under $1000, a Southern Islands pack rarely exceeds $200
Granted, not all rare cards will be valuable, as they also have to reach the competitive or aesthetic standards that players and collectors have, respectively
But with the likes of Pikachu being a Basic Pokmon already, meaning one you can play unconditionally, starting with the baby predecessor is essentially starting a step behind
Concealed Cards let you discard an Energy from your hand once per turn to draw two, a consistency engine that had nothing to do with being a Water deck, which is exactly why it turned up everywhere
These two cards create an infinite feedback loop that drains all of your opponents life total
Ultimate is the more typical card shop experience with just piles of stuff and you need to dig around to find what you want