Mew @ Focus Sash  
Ability: Synchronize  
EVs: 252 HP / 252 Atk / 4 Def  
Brave Nature  
IVs: 0 Spe  
- Trick Room  
- Stealth Rock  
- Overheat  
- Explosion  

Necrozma-Dawn-Wings @ Lunalium Z  
Ability: Prism Armor  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk  
- Moongeist Beam  
- Photon Geyser  
- Power Gem  
- Trick Room  

Magearna @ Life Orb  
Ability: Soul-Heart  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Fleur Cannon  
- Flash Cannon  
- Heart Swap  
- Trick Room  

Stakataka @ Life Orb  
Ability: Beast Boost  
EVs: 252 HP / 252 Atk / 4 SpD  
Lonely Nature  
IVs: 14 Def / 0 Spe  
- Gyro Ball  
- Stone Edge  
- Earthquake  
- Trick Room  

Stakataka @ Air Balloon  
Ability: Beast Boost  
EVs: 252 HP / 252 Atk / 4 SpD  
Lonely Nature  
IVs: 14 Def / 0 Spe  
- Gyro Ball  
- Stone Edge  
- Earthquake  
- Trick Room  

Rayquaza-Mega @ Choice Scarf  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naughty Nature  
- Dragon Ascent  
- V-create  
- Draco Meteor  
- Extreme Speed