x saber yugioh cards X-Saber 800 When this card is destroyed by battle and sent to the Graveyard XX-Saber Gottoms [CT06-ENS04] Secret Rare

And there are similar oversights in the Pokmon game

A sleeved card can last decades of regular play versus months for an unprotected card

There are quite a few wonderful interactions to be had by this card in the Eternal formats

Going forward, as sealed JPN Heat Wave Arena boxes continue to be opened and supply tightens, historically, similar Enhanced Expansion Packs like VSTAR Universe and Shiny Treasure ex have shown meaningful price appreciation 18-24 months after release a pattern that collectors monitoring this set will want to consider

It is essential for Electric decks, and nowadays costs around US$19

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