pokemon cards misprint Show Off Your Error Megathread! - Collecting Guide to Misprint Pokémon Cards:

The most expensive card in the Guardians Rising set is Sylveon GX (Rainbow Rare)

You can obtain the Charizard ex (2-Star Shiny rarity) card by opening Shining Revelry from Shining Revelry set

It involves putting a card into a snug perfect fit inner sleeve, then sliding that into a standard outer sleeve, creating a nearly waterproof seal against spills and dust

Even as janky add some of those cards are, I have found and made potential use of these cards

Like plenty of other Eldrazi, its difficult to reprint these in Standard or accessible sets, so the price tends to drive up as there is always demand for the big Eldrazi