Sorry it took me a while, but here’s my Pokemon Black & White team idea:
4a. Serperior (if Snivy wasn’t picked)
4b. Samurott (if Snivy was picked)
5. Klinklang/Zebstrika/other preferred Electric-type
6. Trainee/HM slave/other non-battler
Note that you should keep other strong substitutes available, and Pokemon six should be swapped out to someone stronger in link battles. Well, that’s my idea!
Oh, in the case of Victini, the North American WiFi Liberty Pass event ends today! Don’t forget to get it!!!