Sire of Seven Deaths The only thing Sire of Seven Deaths doesnt do is have an immediate impact on the battlefield, like enter and draw a card
With the exception of Glorious End, ending your opponents turn costs six mana at the least
Suddenly Evolving Wilds is a better Prismatic Vista, and Path of Ancestry is a better Command Tower
Given that connive, a keyword introduced as part of Streets of New Capenna back in 2022, is present on the face Commander, we wouldn't be too surprised to see it feature on some creature cards too, be that from the small pool of returning cards or brand-new cards to the set
Plague Rats, most obviously, is non-functional in a context of 60 card minimums and 4 per card maximums, but is hilarious and brutal in a 40 card minimum environment where an opponent may have a dozen or so Rats
Memory Jar (T1, S, Ext) R&D's own Randy Buehler claimed that his Memory Jar deck could kill on the first turn a full 33% of the time