Felidar Sovereign This might be the most contentious card on the list, or at least the one Ive seen the most players complain about
As Preston Poulter figured out in the elimination rounds right before he knocked Justice out, you killed Howling Mine, and the deck no longer flowed properly
Triskaidekaphile is a surprisingly popular EDH card, clocking in at around 4650 decks on EDHREC, and whilst it may seem like a bit of a meme card on the surface, its actually quite useful
The cost reduction based on your allies is pretty incredible considering you only need a couple to make favorites like Swiftfoot Boots, Sword of the Animist, and Brotherhood Regalia cost
So, you ban all storm cards
Nuts & Boltsstay or go as a recurring feature