Actually, Sidewinder > Ambush. I've seen the two thrown side-by-side, and in box finish, and the 'Winder is stronger in the mids.
Also, Sidewinder >> Rampage. I suppose you could polish the 'Winder and scuff the Rampage to get them close to each other, but why bother?
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...formerly "The Curse of Dusty," and "Poöter Boöf" before that...