It's a general marketplace, so your listing is in front of a massive audience, which can be helpful for moving obscure or niche stuff that a more specialized platform might not have demand for
The Magic MVPs The single most expensive card I sold was a foil, borderless Myrel, Shield of Argive, followed by a Craterhoof Behemoth
Are older Pokmon booster boxes worth buying
But what is perhaps more useful information is the relevance of Petty Revenge it hits 58 of the top 100 commanders in the past 2 years, according to EDHREC
However Wizards chooses to hand it out, this promo is, unfortunately, pretty unexciting
We once met a father-son duo that drove eight hours from Virginia to meet us to sell a Michael Jordan rookie card stored in Tupperware since 1986 - great read here