To be precise, the best prices I've tracked down for Perfect Order (the upcoming set that launches in just a few days) have been at Miniature Market, and it's not even close
Those who are here for battling and not collecting may not think much about this feature, but it costs absolutely nothing to do and, if shared publicly, can earn you rewards
The difference is what you can do to your own permanents
We spent the first ten plus turns amassing a magical army, where one players field usually consisted of 2x Doppleganger, 3x Mahamoti (one with Invisibility) and a Merfolk Assassin on one side, standing watch against the other players field of 3x Nightmare, 2x Royal Assassin and a Lord of the Pit with a Breeding Pit somewhere in play with two swamps permanently tapped underneath it
It's selling for over $1,200