The strongest names borrow the language collectors already use ('rare', 'foil', 'mint', 'pull', 'pack', 'binder', 'singles', 'grading') or evoke the artwork itself (kingdoms, dragons, arenas, vaults, nexus)
When youre a casual parent searching pokemon cards, maybe gx cause you know the term by now, the first things you see are the cheap China listings
Lunarch Mantle 1W Enchantment Aura Enchant creature Enchanted creature gets +2/+2 and has 1, Sacrifice a permanent: This creature gains flying until end of turn." Only the enchanted creatures controller can activate Lunarch Mantles ability
Archon of Emeria cant go into every deck, but decks that dont mind playing one spell a turn can exploit this shutting down strategies and forcing your opponents to play at a crawl
That said, if you pull a rare Pokmon card and want cash now, you don't necessarily need to get it graded, provided you're OK with not getting full value on the sale