digimon card game parallel world tactician ST-10: Starter Deck | DigimonCardGame Wiki Wizardmon - Starter Deck 10:

Whether protecting a powerhouse deck or showcasing rare Alt-Arts, these sleeves bring the authority of an Emperor to every draw

The most common evolved Pokmon card used for this purpose is the Dusknoir card from Night Wanderer [SV6a] as shown by, for example, the Terapagos ex/Dusknoir and Palkia VSTAR/Dusknoir decks

"The card being stored in a book, flat in the dark, untouched for 20 years, gives me good odds for a high grade." But, if it gets a high grade, then Jamelle reckons the card could be worth somewhere in the region of $8,000

Let your child cut a few pieces themselves if they are old enough to use scissors responsibly