14 towers means you never fail to get out a Pharaoh+SoR, after which you'll not only have 2 instant Scarabs, but then free ones each turn. The excessive quanta variant lets you pump out Scarabs at the same pace unless there's EQ, in which case yer screwed (SoR version isn't). In the aforementioned situation you'll be creating Scarabs each turn, but have 2 extra at the beginning thanks to SoR.
If you run into the worst possible combo (Discord+EQ+rush), the overquanta'd version has the edge as you may not be able to get out a Pharaoh at all with the SoR version. The issue is that the overquanta'd version loses too, as you'd need SoFo+GF, RT's or a fast Turtle Shield regardless to win. This is all assuming normal draws.