+1/+1 Counters The Astonishing Ant-Man 0.7%inclusion 234 decks 32K decks Captain America, Team Leader 0.3%inclusion 232 decks 73K decks Bruce Banner 0.2%inclusion 198 decks 82.9K decks T'Challa, the Black Panther 0.2%inclusion 126 decks 73K decks Doctor Doom, King of Latveria 0.2%inclusion 110 decks 73K decks Top Commanders The Wise Mothman 2.1%inclusion 3.41K decks 162K decks Ms
This allows you to free up your disruption and removal and then consequently your mana to do other things
Even if you're not playing a Kindred theme that will just take Radagast out of consideration entirely, you will eventually hit a happenstance of creatures in play that will have you putting creature cards on the bottom, not to mention the likelihood that you'll pull all non-creatures
If you can manage to keep Ezuri out for very long, you should be able to rack up enough experience counters to pump up some key creatures, though I would understand anyone being reluctant to running an experience counter commander in the 99 of a deck
Ice Age reprints the entire Circle of Protection cycle for White