Thickest in the Thicket's last ability will trigger at the beginning of your end step regardless of who controls the creature with the greatest power
Additionally, it adds each party type to your commander as well, and if you have a full party, the abilities of your creatures trigger an additional time
Unless the Azorius themselves have a cost-reduction mechanic that Lavinia is countering (which seems somewhat dangerous when Wizards is aware of just how powerful Teferi is and the guild is about to receive a second Planeswalker as Dovin Baan takes command), its hard for me to see why Lavinia has access to this particular power set
"The Chaos Creator" is an incredibly powerful card that can easily build advantage by making use of Monsters that are Banished
It will make it difficult to ruin enchantment combos
I guess the best state of mind is like what the infamous Thanos said: 'Perfectly Balanced, as all things should be...' Our actions in-game are a reflection of our thought process