It's one of those features that threatens to make or break the game purely on its own - which would explain why the announcement adds that "The trading feature shown may not be available at launch", as if even more time might be needed to work out just how they're going to implement this idea without collapsing their whole business model
GameStop will take other kinds of PSA-graded cards beyond Pokmon, too, though, that employee says
Honorable mentions There are a few other groups of cards that synergize very well that I just cannot go without mentioning here: Risen Reef + Flamekin Harbinger: this interaction has been around since M20, but there are many new Elementals with Evoke that fit this new metagame quite well and make the 5-color archetype viable, notably Fury, Solitude and Endurance, to go with Omnath, Locus of Creation at the top end of the curve
For cards worth around 1-20, storing every single one in a toploader can quickly become expensive and take up a lot of space
Rare (Yellow): Unlocked at Shop Level 5 Epic (Pink): Unlocked at Shop Level 12 Legendary (Red): Unlocked at Shop Level 20 If you click on the Card Expansion button in the Workbench, you'll also see a Tetramon Ghost pack, but there's no way to buy this pack from your phone
