I would argue that this is one of the better decks on this list for new players, as its creature-heavy nature is good for learning about combos, synergies, and how dynamic certain creatures can be, but if you hope to make it truly competitive at your game night, it's going to take quite a few upgrades
Notably, Blue is the Theros: Beyond Death colour that features one of the sets cards that could be called a game-breaker
Wrap Up Master of Cruelties | Illustration by Chase Stone Alesha, Who Smiles at Death is one the oldest Commander decks in my collection
Action cards of the Steel Ink type also have strong effects, dealing damage in copious amounts, so players will want to form a strategy that can combine Glimmers with Actions in their turn to really hurt their opponent
However, in limited formats (Sealed Deck, Booster Draft and Rochester Draft to be specific), commons are a lot more relevant than uncommons, which in turn are more relevant than rares
If you have 9 counters already from casting creature spells power 2 or less thanks to Ezuri, Claw of Progress being on the battlefield, you can cast Glistener Elf and itll become an instant threat because it comes in as 10/10 with infect
