Blue / White Spirit deck in need of some help perfecting

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The following is my current spirit deck and would like ALL feed back to help me improve it. I am using it to play in ISD block tournments.

I am running into big problems with Black / White token decks with Champion of the Parish as the foundation.

Also i was wondering does the huge cost for  Geist of Saint Traft make it worth it for my deck?

Thank you all for your time,
Unleashing Chaos