Necrozma, Gallade, Mawile 1v1 Team

Necrozma @ Choice Specs
Ability: Prism Armor
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- Dark Pulse
- Heat Wave
- Earth Power
- Prismatic Laser

Gallade-Mega @ Galladite
Ability: Justified
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Close Combat
- Earthquake
- Poison Jab
- Rock Tomb

Mawile-Mega @ Mawilite
Ability: Intimidate
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
- Play Rough
- Sucker Punch
- Fire Fang
- Metal Burst