Alakazam-Mega @ Alakazite  
Ability: Magic Guard  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Focus Blast  
- Shadow Ball  
- Recover  

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
EVs: 24 HP / 232 SpA / 252 Spe  
Timid Nature  
IVs: 30 Atk  
- Thunderbolt  
- Hidden Power [Ice]  
- U-turn  
- Roost  

Chansey (F) @ Eviolite  
Ability: Natural Cure  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Stealth Rock  
- Seismic Toss  
- Toxic  
- Soft-Boiled  

Skarmory @ Shed Shell  
Ability: Sturdy  
EVs: 252 HP / 232 Def / 24 Spe  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Roost  
- Defog  
- Whirlwind  

Gastrodon (Gastrodon-East) @ Leftovers  
Ability: Storm Drain  
EVs: 252 HP / 44 Def / 212 SpD  
Sassy Nature  
- Scald  
- Earthquake  
- Recover  
- Sludge Bomb  

Magearna @ Choice Scarf  
Ability: Soul-Heart  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Volt Switch  
- Thunder Wave  
- Ice Beam