My main gripes with Prismari Artistry are that the mana base feels a little high, likely to make the most of Rootha's ability, so I've found myself almost downgrading the deck with some cheaper spells to stay relevant in the game during earlier turns
For players paying close attention, they may even see references to cards from past sets, and see some hints of what is coming
While flicker decks have historically been better for adding blue, its now increasingly possible to get away without doing so
Proxies level the playing field, allowing casual players to enjoy Reserved List classics, cEDH pilots to test optimized lists, and collectors to keep their expensive originals safe at home while playing with proxies in public
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
Spark Harvest or Annihilating Glare are honestly only worth it if your deck is running any kind of sacrificial theme , but then they can be a great alternative to the usual Terror effects