It's creatures-only, which is a lot worse than Teferi's Protection, but I think that's a Mount-Everest-level hill to climb and it's still a great choice
These decks play a good amount of artifacts to make Karn's token big enough, while Karn provides card advantage through its first two abilities
The combo can be executed with only a few cards, which makes it quite simple as well: Cast Venture Deeper , targeting your opponent Cast Merfolk Secretkeeper from adventure zone Cast Ashnods Altar Cast Chromatic Orrery to turn colorless mana into blue mana Cast Lier, Disciple of the Drowned from the commander zone Sacrifice Merfolk Secretkeeper , using Ashnods Altar Cast Venture Deeper from graveyard, using Liers ability Repeat this cycle infinitely until your opponent mills all their cards in a single turn using the mana produced by Ashnods Altar and Chromatic Orrery
On the other hand, Bedecked Brokers is one of the only decks to have a second charm along with the family charm
Just having a Guttersnipe around means youll draw a huge chunk of your deck
