Different Boosts is the only feasible choice from that list IMO. Swords Dance vs Nasty Plot doesn't exactly fit the concept of unpredictability since both will KO a lot of similar Pokémon, and Power/Speed boosting are again quite similar, especially with Swords Dance and Dragon Dance. We will essentially just be creating Haxorus 2.0.
If this CAP is to have the unpredictabiliy pushed in the concept, it needs to function on both sides of the attacking spectrum. That's really a given. Different Boosts is a good direction to take this in (radically different) but I feel like the example given of Nasty Plot and Dragon Dance doesn't work so well. Once agan, many of the same theats will be beaten by the set no matter which of the moves you choose, since many Pokémon have similar physical and special bulk. If we were to want unpredictability, I think that Calm Mind and Dragon Dance is the way to go. They are radically different, and both actually beat different things, one being more defensively oriented and the other more offensive, as well as being on opposite sides of the physical/special spectrum. I think this makes sense, but I'm still learning the ropes here :x
If this CAP is to have the unpredictabiliy pushed in the concept, it needs to function on both sides of the attacking spectrum. That's really a given. Different Boosts is a good direction to take this in (radically different) but I feel like the example given of Nasty Plot and Dragon Dance doesn't work so well. Once agan, many of the same theats will be beaten by the set no matter which of the moves you choose, since many Pokémon have similar physical and special bulk. If we were to want unpredictability, I think that Calm Mind and Dragon Dance is the way to go. They are radically different, and both actually beat different things, one being more defensively oriented and the other more offensive, as well as being on opposite sides of the physical/special spectrum. I think this makes sense, but I'm still learning the ropes here :x