Going through the three moves up for discussion now: Quiver Dance: Quiver Dance does have a difference from Weak Armor, and is potentially almost necessary with it. Consider the fact that scarf Genesect will outspeed CaP4 after a +1 boost. This set is extremely common and metagame defining - not something you want to be weak to at all. Indeed, this could stop a Weak Armor or Quiver Dance sweep cold. In order to sweep past this common behemoth (and other faster scarfers), CaP4 would need to hit +2. As it almost certainly will not be setting up more than once given a Stealth Rock weakness and vulnerability to Spikes, few resistances, low special bulk, and no recovery the second boost will almost certainly have to come from Weak Armor. In fact, I hold that either Quiver Dance or Dragon Dance would be necessary to make Weak Armor viable at all, when Scarf Terrak/Torn/Gene will still outspeed at +1. Additionally, the risk of taking a hit and then a turn of setting up makes up for the sweeping capabilities of CaP4. Remember, we need reward to go along with the risk. I think people also overestimate how good this will be after a +1 boost, when many major threats of sand, rain, sun, and weatherless can still outspeed and KO after Stealth Rocks, and this assumes no damage on the setup. The fact is, Quiver Dance is a powerful boost, but the reward only starts to equal the risk. Substitute: The concept specifically mentions substitute, and not every portion of the Pokemon has to be risky. If you go for substitute, then that's a risk because now a coverage move, a STAB move, or a setup move is lost. CaP4 would greatly appreciate all three. Substitute also means that CaP4 more or less cannot come back in. tl;dr allow all three, I need to start using "aurumoth"