Got Scorpio today and tried the deck dragonsdemesne suggested (with a little tweak as I only have 1 earth-nymph, so added some towers instead). I lost due to bad draw order. I got an early Poseidon, but he started with 2 Ulitharids before I could play anything and he had the quanta to use their ability too which left me unable to play my creatures (had a nymph queen and octopus in hand) as he could easily remove their abilities. I also did not draw any diamond shield which got me killed after some struggle with stone-skins and purifies trying to fight off the damage.
I think Congeals instead of Ice lances would have been better, as I never got above 10 water quanta. 2 congeals would have been enough to buy me time to get my repeatable CC on the ground and operational. So, my suggested tweak: