Matt Tabak writes in the official Innistrad: Midnight Hunt Mechanics article: For example, a 1/1 creature, a 3/1 creature, and a 4/6 creature have three different powers (specifically, 1, 3, and 4). By contrast, if you have a 2/2, a 2/3, and a 3/3, you dont have coven because two of your creatures share power 2. If you have more than three creatures and a couple of them have the same power, that's not a problem for coven as long as there's at least three different powers among them
Additionally, this tier encompasses decks with limited data, making it challenging to accurately assess their placement in higher tiers
Crashing Footfalls is restricted to how fast you can remove time counters, and would be very difficult to cast during a postcombat main phase, unlike the Brawler
Witherbloom, the Balancer , on the other hand, feels like the most powerful Dragon for the everyday Commander player