Hawlucha @ Electric Seed / Weather Warrior's Crystal
Ability: Unburden
EVs: 96 HP / 252 Atk / 36 SpD / 124 Spe
Adamant Nature
- Acrobatics
- Swords Dance
- High Jump Kick
- Roost

With the addition of the Weather Warrior's Crystal item, the buffs to Tapu Koko, and the multitude of new weather setters, Hawlucha is a very threatening sweeper on offensive and weather teams.
Other Options: Drain Punch