Despite the recent love for Merfolk, Pirates, and Dinosaurs, Elves are
I love how goofy these dudes look
6 Earl Of Squirrel Sir Squirrelington III Playing Earl of Squirrel in Commander requires some amount of persuasion, since the silver border means it's not technically legal in the format
Few cards are outright banned in Vintage, and those are special cases like dexterity cards such as Chaos Orb, cards that dont work in the format like attractions, conspiracy or ante cards, or a set of cards that are racially and/or culturally insensitive
There is also a list of what is expected at that level in a few barometers: two-card infinite combos, extra turns, mass land denial
The answer was simple, although the execution was complicated