Venusaur-Mega @ Venusaurite  
Ability: Chlorophyll  
EVs: 224 HP / 172 Def / 96 SpD / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Giga Drain  
- Sludge Bomb  
- Hidden Power [Fire]  
- Synthesis  

Tapu Fini @ Wiki Berry  
Ability: Misty Surge  
EVs: 248 HP / 12 Def / 16 SpA / 40 SpD / 192 Spe  
Calm Nature  
IVs: 0 Atk  
- Brine  
- Nature's Madness  
- Defog  
- Taunt  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
EVs: 248 HP / 188 Def / 72 Spe  
Impish Nature  
- Stealth Rock  
- Swords Dance  
- Roost  
- Earthquake  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 248 HP / 28 Def / 232 SpD  
Sassy Nature  
- Leech Seed  
- Heavy Slam  
- Flamethrower  
- Protect  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 248 HP / 252 Def / 4 SpA / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Volt Switch  
- Fleur Cannon  
- Energy Ball  
- Flash Cannon  

Volcarona @ Buginium Z  
Ability: Flame Body  
EVs: 248 HP / 196 Def / 64 Spe  
Bold Nature  
IVs: 0 Atk  
- Quiver Dance  
- Roost  
- Bug Buzz  
- Fire Blast