Memento has its uses, like letting a set-up sweeper get essentially a free turn to boost.
This. Other than Splash (for obvious reasons), I'd say
1. Focus Energy (Gen 1 version) 2. Razor Wind (any version) 3. Skull Bash 4. any charging attack really (Rock Wrecker, Hydro Cannon, Hyper Beam, etc.) --- If you need instructions on how to get through the hotels, be sure to check the enclosed instruction book