You still need black for the Herald's ability. And you don't have a good source of generating energy to keep using Aether Hub. Maybe think of replacing the Herald with Rashmi, Eternities Crafter to help get out your fatties.

The_Grape how is that?

The Aether Hub is one use only, so using it for the Herald is going to allow to to cast it and use it's ability once, max. If you replace Herald with Rashmi, you can cast Ulamog and cascade into Kozilek, filling your hand and dropping a 12/12 menace with a counter spell on a stick for free. I run Rashmi in my EDH deck and it has done wonders for dropping my beefcakes onto the battlefield. With Rashmi, it gets cast, so your eldrazi titans are getting their full worth.

And at this point, through the many change you have made, you truly deserve the up vote that I had forgotten to click. (:

The_Grape thanks a lot man! Also question, would you think taking out one Cryptolith Right to add another Rashmi would be beneficial?

I would think so. At this point, your Paradox Engine deck is not a typical engine combo deck, it is more of utilizing the rite and engine to create an amazing board state. When I say not a typical engine combo, I am referring to something like my shitty deck. I think dropping one rite for a Rashmi would be beneficial since your titans you want to cast. You still have a really good combo with the engine and the rite, but it is more for getting out your big creatures to impact the board state and win. My deck is about drawing and burning, as I don't play big things and just go for getting up the combo.