It gets weaker depending on how common your type of choice isfor example, humans are all over the placebut it often does what you need
Creatures (4) Planeswalkers (2) Lands (20) Spells (34) Counter-Top was never legal in Modern, so its hard to generate a litmus test for what it would actually look like
(Alpha cards) A Magic card does need to have the dimensions of a regular Magic card in order to be tournament-legal (as oversized/mini-cards are not tournament legal)
It's an easy road to start adding To be transparent, my current leading idea is that a commander is a Game Changer if it creates play patterns or game constraints that are unfun and overwhelmingly powerful or if it qualifies by virtue of being a Game Changer in the other 99 cards of a Commander deck
But here, you can also take advantage of the airbending clause to mess with tokens or to blink your own value cards
[77] With a simplified structure, the new Pro Tour system kept some of the original aspects from the system introduced in 2005, like a point system and the World Championship tournament each year