At first this was a turbo fog deck. After a good amount of reading, i think I've honed in on the core engine I would like to exploit. We have a preponderance of good blue card draw, the Core package being Frost Augur and Graven Lore. In a snow heavy shell, I know all too well what scrying sheets is able to do. This is already reinforced by ascendant spirit overperforming intially (it can be activated at instant speed with low investment), and the pairing I'm most excited about is Thassa's oracle, who is supported both by a high density of devotion and card draw thinning the deck. Having heaps of cards and a non-dependent win condition as a freeform base seems extremely powerful. This can be exploited in a lot of directions, like the blood on the snow/shipwreck singer combo, which also can resolve thassa's oracle for a win. I'll to try several shells, but this package is a lot more promising than the Valkyrie/silversmote ghoul package I was considering.