If youre creative, you could also probably find a way to play some Rule 0 Commander using these cards
Arcane Signet Dan Frazier x Secret Lair: $18 There have been plenty of Arcane Signets printed over the last few years, and there will be plenty more in years to come, but the Dan Frazier x Secret Lair version stands head and shoulders above the rest
BPhillipYork: Interesting card, kind of card advantage if you can get rid of it before the 3rd chapter you can exile stuff forever, unfortunately you cant just exile your own creature that flickers an enchantment to create a loop because of the state-based check that occurs once the chapter 3 triggered effect leaves the stack
Throne of the High City I like Throne of the High City in 1- or 2-color decks that don't mind having a colorless utility land
It shouldnt be too hard to get your full value out of Cryogen Relic, ideally by sacrificing it for some kind of other ability, but having its own buyout option is a nice backup plan for that
These lists, which are essentially death-driven attrition engines, have been beloved for years now
