You could pay more to access higher card values and quicker turnarounds, as well, but having your cards graded at an event also means that youll have to pay to attend the event itself
To try and meet the diverse artifact tokens criteria, it runs bottom-tier playables like Root Out and Vampires' Vengeance and none of the actually good, interesting cards that make unique artifact tokens, like Toggo, Goblin Weaponsmith
Cosima is easier and cheaper, Osmunds tend to buy too much, which would lead to a large waste of money
Grime/Dirt Marks This is a surface defect caused by visible foreign elements on the card, such as sticky residues, black dots, fingerprints, grease marks, embedded dust, or other impurities
For now, they sprinkle a bit of flavor onto a card