Jolteon @ Choice Specs  
Ability: Volt Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Thunderbolt  
- Hidden Power [Ice]  
- Shadow Ball  

Tapu Koko @ Leftovers  
Ability: Electric Surge  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
- U-turn  
- Volt Switch  
- Roost  
- Defog  

Medicham-Mega @ Medichamite  
Ability: Pure Power  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- High Jump Kick  
- Fake Out  
- Bullet Punch  
- Zen Headbutt  

Landorus-Therian (M) @ Rocky Helmet  
Ability: Intimidate  
EVs: 252 HP / 112 Def / 144 Spe  
Impish Nature  
- Earthquake  
- U-turn  
- Stealth Rock  
- Hidden Power [Ice]  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 248 HP / 224 SpD / 36 Spe  
Sassy Nature  
- Volt Switch  
- Fleur Cannon  
- Ice Beam  
- Iron Head  

Volcanion @ Choice Specs  
Ability: Water Absorb  
EVs: 8 HP / 252 SpA / 248 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Steam Eruption  
- Fire Blast  
- Earth Power