Cards can be submitted to professional grading companies such as PSA, Beckett, or CGC
The sheer volume of cards demands a way to store cards that maximizes the space available, and card boxes do that
Stopping ETB effects can be accomplished two ways: we can counter the triggered ability when it goes on the stack, or we can put a full stop to ETB effects with staxy control cards
But just from my casual perusing, weve got stuff like Trainer Gallery Holo Rare, Special Illustration Rare, Rare Holo GX, Shiny Ultra Rare, Double Rare, Holo Rare V, Ultra Rare, Rare Secret Please, Pokemon Company, stop, this is insane Also, Pkmncards, please fix the Pokemon card alternate art page which lists like 10% of the actual amount