I was really missing the old Argenport Snacks/Revenge Hour archetype, so I decided to try it in Winchest. The Display is a huge addition, not only because of its incredible value but because it lets you put Destiny units from your void into play at fast speed.
This deck is great against many of the beefy midrange decks that have been rampant since Defiance dropped - Madness + Combust/Devour is an excellent answer to decks that are spending all of their power on one big unit at a time. It's iffy against aggro (could probably find room for Torch if aggro gets more popular) and has a real hard time with aegis units and fliers, so decks like Feln and Kennadins are usually rough matchups.
The market is far from refined at this point. Part of the "problem" is that Display is so good that you want it 90% of the time with your first Merchant, and resolving it generally puts you far enough ahead that you don't need another market trip. Burglarize feels like a necessity to counter Gavel, if other decks start playing it. Spike and Stash are meant to go together to really add a lot of sustain against a hard control deck, but they really haven't been relevant too often. The other spot I've flipped between Makto and Scrapper while I try and figure out which feels like the stronger endgame plan.
Other options I may test are a Devastating Setback to help against aggro and moving one Madness to the market. More chances to grab Madness might be nice because of the sacrifice combos, but also I find myself closing out a lot of games with a timely Madness lethal.
If I were going to replace it, I'd be looking at the 4th Harsh Rule or perhaps some more anti-aggro cards like the 4th Grenadin Drone or some Torches. I've also been meaning to test Piercing Grief.