The issue with most PokStop lists is that sometimes, you cant use PokStop because discarding the wrong card would lose you the game, so you have to avoid using the card that your deck is basically built around
A PSA 10 will be considered a more valuable card on the secondary market than a lesser grade, as it denotes a virtually perfect [specimen]
Being able to attack unblocked could allow you to take out a player who thinks they're safe behind a big board, and it can also help you benefit from combat damage triggers
Perfectly Ultimate Great Moth is hard to summon, requiring two cards, but Ancient Dragon requires seven
10 Solitary Confinement Is A Powerful Yet Costly Fog Effect Solitary Confinement is a fog enchantment that blanks all incoming damage to the player who controls it
The print quality advantage means more modern Japanese cards hit those top grades, and savvy collectors are increasingly buying Japanese raw cards specifically to submit for grading