History suggests that true trophy assets in any collectible category tend to appreciate when three factors align: extreme scarcity, pristine condition, and cultural relevance
The structure of a good pokemon tcg deck typically follows a balanced ratio: 12-20 Pokmon, 30-35 Trainers (including Supporters, Items, Tools, and Stadiums), and 8-15 Energy cards
What affects the value of Xerneas
Mount Kolts/Koltz (Final Fantasy VI) The place where Terra, Locke, and Edgar have to cross through to get to the Returners Hideout
I can also see this card going into a lot of 5-color Commander decks in need of good fixing, especially superfriends decks
Its evolution line is also a staple in many trainers' teams, with Incineroar becoming a fan favorite due to its wrestling-themed design and strong competitive presence