Necrozma @ Choice Specs  
Ability: Prism Armor  
EVs: 252 HP / 144 Def / 76 SpA / 36 SpD  
Modest Nature  
- Prismatic Laser  
- Photon Geyser  
- Heat Wave  
- Bulldoze  

Magnezone @ Custap Berry  
Ability: Sturdy  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Thunderbolt  
- Flash Cannon  
- Endure  
- Hyper Beam  

Tapu Fini @ Choice Scarf  
Ability: Misty Surge  
EVs: 80 HP / 152 Def / 60 SpA / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Trick  
- Torment  
- Protect  
- Draining Kiss