Buyers use shorthand like NM (near mint), LP (lightly played), MP (moderately played), and HP (heavily played), and eBay has its own condition menu for trading cards, too, and you should know that a little edge whitening or one soft corner drops a card a grade, and pretending otherwise is how you collect returns
Prices are updated based upon Magic Battlebond listings that sold on eBay and other marketplaces
Also there is as far for now, no info yet regarding the Enhanced Booster box
You are almost always going to be casting her for a single (U)
It is a black enchantment that costs four mana
Facebook Marketplace has some buyer protection for shipped items paid through their system, but it's nowhere near as robust as eBay or TCGPlayer