I really like the idea. Kinda like a spark deck but a little slower and w/way better creature control.
I'd take it a step further than icy, though, and say you're way undertowered in
and that's why it appears slow.
According to SG's rule of 5 you should have 10 towers, but the fractals obviously change the rule. I'd try -1 fractal, -1 graveyard, -1 condor, +2
towers. I'd leave the upped virii, but some unupped might be worth trying as well.
I'd love to hear results when you have them.