Charizard-Mega-Y @ Charizardite Y  
Ability: Drought  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Heat Wave  
- Solar Beam  
- Overheat  
- Protect  

Aegislash @ Leftovers  
Ability: Stance Change  
EVs: 212 HP / 252 SpA / 44 Spe  
Modest Nature  
IVs: 0 Atk  
- Shadow Ball  
- Wide Guard  
- Substitute  
- King's Shield  

Tapu Koko @ Life Orb  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Thunderbolt  
- Dazzling Gleam  
- Volt Switch  
- Protect  

Pheromosa @ Fightinium Z  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- High Jump Kick  
- Ice Beam  
- U-turn  
- Protect  

Gothitelle @ Wiki Berry  
Ability: Shadow Tag  
EVs: 252 HP / 84 Def / 172 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Psychic  
- Helping Hand  
- Taunt  
- Protect  

Landorus-Therian (M) @ Iapapa Berry  
Ability: Intimidate  
EVs: 252 HP / 44 Def / 136 SpA / 28 SpD / 48 Spe  
Modest Nature  
- Earth Power  
- U-turn  
- Defog  
- Stealth Rock