NEXT: Move changes

Twister now gets 1.5 times power if the user learns quiver dance and has a stick equipped and is not Smeargle. This is part of reworking gossamer wing (https://github.com/Zarel/Pokemon-Showdown/pull/938)

Steam eruption should work similarly to scald because of thematic and mechanics. Weather will be changed in the future because Volcanion is a powerhouse in both sun and rain, and the prevalence of perma-weather.