consider adding qwilfish to your list. It is fairly incommon but is one of the best rain dance leads.
Simple. Just dance turn 1 so swift swim activates and then aqau tail/explosion as is appropriate. Taunt shuts down setup leads like
deoxys-E. I use this on my rain dance team and it usually nets 1-2 kills as well as getting rain up turn 1.
This is the hardest story that I've ever told mika
No hope, or love, or glory
Happy endings gone forever more