Pelipper @ Damp Rock
Ability: Drizzle
EVs: 248 HP / 32 Def / 228 SpD
Bold Nature
IVs: 28 Spe
- Defog
- Roost
- Scald
- U-turn

Tapu Koko @ Fairium Z
Ability: Electric Surge
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Dazzling Gleam
- Volt Switch
- Thunder
- Nature's Madness

or

Tapu Koko @ Tapunium Z
Ability: Electric Surge
EVs: 248 HP / 8 Atk / 252 Spe
Jolly Nature
- Mean Look
- Nature's Madness
- Brave Bird
- Taunt

Hawlucha @ Electric Seed
Ability: Unburden
EVs: 156 HP / 224 Atk / 4 Def / 124 Spe
Adamant Nature
- Drain Punch
- Swords Dance
- High Jump Kick
- Acrobatics

Swampert-Mega @ Swampertite
Ability: Swift Swim
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Aqua Tail
- Stealth Rock
- Earthquake
- Ice Punch

Kingdra @ Choice Specs
Ability: Swift Swim
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
IVs: 0 Atk
- Hydro Pump
- Surf
- Toxic
- Draco Meteor

Ferrothorn @ Chople Berry
Ability: Iron Barbs
EVs: 252 HP / 120 Def / 136 SpD
Relaxed Nature
IVs: 0 Spe
- Gyro Ball
- Power Whip
- Knock Off
- Spikes