Maybe even Strixhaven Stadium
Getting any land from your deck for 5 mana and dropping it out the battlefield is very, very strange for mono-colored decks - haven't we learned anything from Expedition Map
Unique token commanders like Brenard, Jinnie Fay, and Adrix and Nev offer creative ways to enhance token production and strategy
If each target chosen is an illegal target as that spell or ability tries to resolve, it won't resolve and you won't discover
My only beef with The Capitoline Triad is most colorless Commander decks are running lots of Eldrazi as their top-end, and those are traditionally creatures with huge power and toughness already
After all, if you're going to make a huge Hydra that folks are probably going to have to remove at some point, you'd better at least protect it