For an Egyptian Defense, you definitely need the Anti-Ignore Lost Souls instead of the */4.
Also, I would take out Potiphar for Potiphera. He's awesomer.
I don't like only 3 Egypts, even with the 1 Building Egypt. You might wanna try and fit in one Banks of the Nile/Pharaoh's Court too.
Also, a random King of Tyrus (I know they aren't the easiest to get) is always good. KoT + CBN Enslaved by Egypt or CBN Wonders Forgotten is always fun.
As for the offense, I would take out a Search and Plague of Frogs for 2x Two Bears.
And like you said, I would add Micah and try and find a place for Midwives.
Other than that, looks pretty good.
Eric "I'm picky about my Gold defense" Largent