Its important to note that, with one main deck Carnage Tyrant and fewer Abrades and Magma Sprays, this list seems more geared toward a control- and mirror-heavy metagame, and loses points to decks like Ramunap Red, Mardu Vehicles (which seems to be seeing a resurgence), and B/R Aggro
Morph, Space Goo Emerald is already considered one of the best colours to play if you like using Lorcanas Floodborn Shift mechanic, which is the ability to play character cards for cheaper by putting them on top of a character with the same name that you already have in play
So this card feels overwhelming, overall
Lulu, Stern Guardian Lulu, Stern Guardian doesnt look too impressive, but it actually has a rather powerful effect on a game of casual Commander
While other frogs can trigger this ability, you can get plenty of additional value if Grolnok is the only frog you have around
Her surface stats are great, but using her ability at the right time can help players push forward and get ahead of their opponents