Pheromosa @ Choice Band  
Ability: Shadow Tag  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Let's Snuggle Forever  
- Pin Missile  
- Light That Burns the Sky  
- Sacred Fire  

Mewtwo-Mega-X @ Choice Scarf  
Ability: Parental Bond  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Photon Geyser  
- Steam Eruption  
- Sacred Fire  
- Fleur Cannon  

Mewtwo-Mega-X @ Leppa Berry  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- Photon Geyser  
- Light That Burns the Sky  
- Sunsteel Strike  
- Searing Sunraze Smash  

Gyarados-Mega @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Strength Sap  
- Beat Up  
- Anchor Shot  
- Encore  

Slaking @ Leppa Berry  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Recycle  
- Extreme Evoboost  
- Shore Up  
- Searing Sunraze Smash  

Lunala @ Leppa Berry  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Light That Burns the Sky  
- Menacing Moonraze Maelstrom  
- Moongeist Beam