I think you should fix the fatal flaw of this deck, that is the fact that you're almost completely unprotected against direct damage, I think you concentrated too much into fog and left unchecked other sources of damage. I also recommend Mark of Eviction as a great creature removal, and Cage of Hands which allows you to trigger your Enchantress's Presence repeteadly

May use Aegis of Honor to help stop burn and the like, and mark of eviction, i may consider it.

Sigarda, Host of Herons and Avacyn, Angel of Hope are going to be the added angels.

Interesting... I don't quite see the point in having the artifact though... It appears that you are quite unlikely to retain cards in your hand... perhaps exchange those 4 for something like Holy Day or Safe Passage?