EG grinded out a playbook. I think their variance and depth of strategy on pistol rounds and bonuses make them insane, but their midrounding is also insane which allows them to become a team that you can be prepared for and still lose to.
I think someone is also dedicated anti, as in someone has memorized setups from other teams, since I have heard potter talking about how they know the setups and they know what to do off of it (and because they have 2 igls and one secondary caller, which I imagine one of them is always recalling other teamβs playbooks.)
Players are all confidence which allows them to come out on top on the few scrappy rounds.
Theres probably a lot more.