Fatal Push is great, and the best reason to splash black
Commanding Conclusion Phenax, God of Deception | Illustration by Ryan Barger You can meme about battering your opponents to death with walls, but its a solid archetype with plenty of support
Condition: Lightly Played
It's a singular threat that incrementally attacks for 1 more each turn (outside of the minor synergy with exiling your own cards with After your opponent kills it, you're left with no residual threats to try to deal the last points of damage with (unless you manage to get 2-3 attacks in to draw some backup cards, which for most of the threats in this deck will already kill your opponent if similarly unanswered)
I cant say that this is the best step Wizards could take since the lower priced decks are a great way to get new players into Commander, and theyre still pretty solid decks even for more experienced players
These decks often place obnoxiously expensive creatures into play without casting them - great fun to play, but horrible to play against