Agonist isn't so bad. He gave me my extremely godly Shellder! Who is now a Shall Smash Cloyster........FEAR THE BIVALVE.
.....if you mean Mega Blaziken.....then yes, Blaziken is also banned. As is Kangaskan. And pretty much all Ubers.
Hooray, I got someone! Okay, for you, here is a link. And also for any of the rest of you who change your minds or get interested anyways.
Agonist is fine just don't cross him. Ever.