Different stores have different techniques, but it generally comes to down to something like Mint/Near Mint (M/NM) being the best followed by Slightly Played (SP), and Played (PL), Heavily Played (HP), and finally Poor
A colorless card isn't monocolored
This allows Orah decks to provide the value of tribal synergies as well as the value of Aristocrats' strategies
Some (but not all) triggered delirium abilities use an intervening "if" clause
All the same, when the year began, Ragavan was a $75 card
Aurelia, the Law Above Drawing cards when you attack with multiple creatures has become a staple of whites card advantage suite, so it was only a matter of time before it was stapled onto a commander like Aurelia, the Law Above