dialga silver pokemon card Pokémon EX Full Art 122/119 Secret Rare XY Phantom Forces PSA 4 Colorless Rule Top 10 Most Expensive Dialga

Their appeal goes beyond just aesthetics

Since not all the boxes are the same, I would consider this more of a coincidental effect from the way the cards were printed than anything intentionally planned this way

Mega Shine Card List (B2b) Palworld Walkthrough & Guides Wiki Genshin Impact Walkthrough & Guides Wiki Zenless Zone Zero Walkthrough & Guides Wiki Honkai: Star Rail Walkthrough & Guides Wiki Digimon Story: Time Stranger Walkthrough & Guides Wiki Wuthering Waves Walkthrough & Guides Wiki Umamusume: Pretty Derby Walkthrough & Guides Wiki Granblue Fantasy: Relink - Endless Ragnarok Walkthrough & Guides Wiki Arknights: Endfield Walkthrough & Guides Wiki Pokemon Champions Walkthrough & Guides Wiki Elden Ring Shadow of the Erdtree Walkthrough & Guides Wiki Fire Emblem Heroes (FEH) Walkthrough & Guides Wiki Pokemon Brilliant Diamond and Shining Pearl (BDSP) Walkthrough & Guides Wiki Diablo 4: Lord of Hatred Walkthrough & Guides Wiki Super Smash Bros

They usually feature more powerful Pokmon or significant Trainer cards