You can still cast a Time Walk in Magic's Vintage format , but its availability to play in a few tournaments isn't what really makes this card special
You want to make sure you are able to cast them from your hand as you build your land progressively, and you want to have a good chance of consistently pull the right spells
Marvin, Murderous Mimic While its no Necrotic Ooze, Marvin can definitely pull off some interesting shenanigans with activated abilities under the right circumstances
If Sol Ring wasn't reprinted in every Commander product ever, it would be super expensive
You can usually do better, but Namazu Trader should still get the job done if youre short on enablers
It's not quite Blasphemous Act, but Calamity of Cinders can still turn out to be quite a powerful board sweeper with the added benefit of keeping your team safe