Fire Blast and Flamethrower both 2HKO 252/92 Sassy Bronzong. Fire Blast doesn't need SR to guarantee the OHKO on Skarmory, but that's pretty much it.
Also, something that's been bugging me on the Suicide Lead:
This Stratagem set makes sure that your Stealth Rock gets up and your opponent's does not.
I don't like this claim. Stratagem can't prevent the opponent from getting SR up if your opponent has a Sash too. I'd kinda suggest either rewording or removing this sentence.
The difference is in the BP and two points off Special Attack. The odds are a slight bit lower for you against 252/252 Revenankh, but in retrospect, it's not that common anyways. Not to mention that, due to not calculating Leftovers, the odds with just Sandstorm or SR are actually pretty low against 252/252 either way. I'll probably change it to HP Flying 59, since 252/136 is a near-guarantee 2HKO with SR and a guarantee with Sandstorm. HP Flying 60 doesn't really need SR or SS as much, but has to deal with the lower stats.