You really don't need 2 CB users, CB Azumarill is enough. If M-Scizor is a threat for you, i would replace Scizor for Talonflame (Stallbreaker set), but you will need Defog on Pidgeot, so that's with you. Air Balloon/Choice Specs/Scarf Heatran is a good option too, if you don't wanna suffer with...