Strong Specs (Necrozma) @ Choice Specs  
Ability: Prism Armor  
EVs: 152 HP / 252 SpA / 100 SpD / 4 Spe  
Modest Nature  
IVs: 0 Atk  
- Prismatic Laser  
- Photon Geyser  
- Heat Wave  
- Power Gem  

I'm a Degenerate Fuck (Necrozma) @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic  
- Protect  
- Substitute  
- Heat Wave 

LO (Necrozma) @ Life Orb  
Ability: Prism Armor  
EVs: 36 HP / 204 SpA / 80 SpD / 188 Spe or EVs: 36 HP / 192 SpA / 80 SpD / 200 Spe  
Modest Nature  
IVs: 0 Atk  
- Prismatic Laser  
- Psyshock  
- Calm Mind  
- Moonlight / Heat Wave

Anti Gdarm Specs (Necrozma) @ Choice Specs  
Ability: Prism Armor  
EVs: 236 HP / 252 Def / 20 SpA  
Modest Nature  
- Prismatic Laser  
- Photon Geyser  
- Heat Wave  
- Dark Pulse