With its immunity to ground and electric attacks using its incredible defensive typing, I find Pikachu-Flying is the best variant of Pikachu you can find. Be mindful of the fact that Raichu outclasses Pikachu with Life Orb using the same niche, so there is not much reason to choose Pikachu other than for type immunity or gimmick reasons. --- This set makes use of three of Pikachu’s priority attacks to stack damage on its opponent, while hitting Zippy Zap for notable damage. The move Fly allows Pikachu to threaten grass type Pokémon or to force the AI into a swap as its strongest attack. --- Other options including Volt Switch or Thunder Wave may allow Pikachu to pivot or act as utility.