Scarcity, for one, as well as being part of the Reserved List
Card advantage is a strategic concept (rather than a specific game term) and a lot broader, and basically means having more cardboard than my opponents. For starters, any card that puts more cards in your hand is card advantage, even if it doesn't say draw. But card advantage also looks at what happens in other zones
Despite not being feature complete and a hobby project Kolev maintains in his free time, Pixelborn has found an avid and dedicated audience amongst Lorcanas constantly growing fanbase
However, even less popular legendary Pokemon like Yveltal feature numerous unique designs that can range from standard to sublime
This places Pokmon firmly in the alternative investments collectibles conversation, alongside fine art, wine, and sports cards, all of which share the same fundamental fragility: no cash flow, high friction, and sentiment-dependent pricing