Too much to respond from thoroughly at the moment, but I will say this. I tested Cruise and don't like it without playing Dack Faydens. Dig is just better. I chose top to I could smooth my draws better. I don't want more artifact fast mana because I play this as a landstill/grindy control deck first and foremost. The worst thing would be playing a Standstill and drawing moxes. My list is a direct reflection of my playstyle. If I wanted a more aggressive oath list with faster and more aggressive plays, it certainly wouldn't be a landstill variation.
@Islandswamp I have been thinking about Omniscience builds for the past couple of weeks and here I see that your list is two months old. Oh well! In theory I think that the Omniscience builds are the best suited right now.
Also I think we can shave a Misstep for another spell right now, preferably something like an Abrupt Decay which interacts favorably with Priest, Displacer, both Thalias, etc.
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