Venusaur-Mega @ Venusaurite  
Ability: Overgrow  
EVs: 252 HP / 108 Def / 20 SpA / 56 SpD / 72 Spe  
Calm Nature  
IVs: 0 Atk  
- Giga Drain  
- Sludge Bomb  
- Leech Seed  
- Protect  

Volcanion @ Wiki Berry  
Ability: Water Absorb  
EVs: 112 HP / 12 Def / 252 SpA / 44 SpD / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Heat Wave  
- Substitute  
- Protect  

Tapu Koko @ Fairium Z  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Dazzling Gleam  
- Volt Switch  
- Protect  

Landorus-Therian (M) @ Iapapa Berry  
Ability: Intimidate  
EVs: 236 HP / 12 Atk / 52 Def / 20 SpD / 188 Spe  
Adamant Nature  
- Earthquake  
- U-turn  
- Knock Off  
- Stealth Rock  

Kyurem-Black @ Life Orb  
Ability: Teravolt  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Draco Meteor  
- Earth Power  
- Protect  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 248 HP / 40 Atk / 48 SpD / 172 Spe  
Careful Nature  
- Heavy Slam  
- Leech Seed  
- Flamethrower  
- Protect