[EDH / Commander] Peacocking

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Peacocking

My commander deck is called peacocking because I rub what i'm allowed to do in my enemies faces and they cant do anything about it. The goal is to have a massive defense and then being about to just sit there and win. My winning conditions are Aura thief, Azor's electors, Laboratory maniac, or Jace's erasure.  My commander is Grand Arbiter Augustin IV to hinder my opponents and spend my deck along. My major combo's are pretty obvious (humility + reverence / island sanctity + mystic decree), (Solitary confinement + Azor's electors), (cloud cover + greater auramancy ) , (Enchanted evening + aura thief {pongify or neck snap} / Enchanted evening + echoing clam {on target land} ), and ( Stuffy doll + pariah). I'd love your suggestions and your thoughts on how to make it better.