In sets where there are more than one showcase, like Midnight Hunt, these will only be from one style, such as the Equinox frame
Of course, the reality is a bit more muddled when black can kill creatures easier, green can destroy artifacts and enchantments, red can deal with lands, and blue can bounce almost anything for a temporary removal
If you have a singleton in your deck with forty cards left, and an Archive Trap swiftly slices off a third of your remaining precious cake and throws it in the trash bin, and your beloved Sphinx of the Steel Wind was in there, well, unless you've got a Sharuum to search for with your Sphinx Summoner, your chances of getting that puppy into play have gone to zero
Sol Ring The ultimate turn one play Sol Ring is the best card in Commander, whether you like it or not
Its a fine card in a vacuum
If you keep losing to Burn, bring in your lifegain and damage prevention