Zero (Floette-Eternal) (F) @ Floettite   
EVs: 252 HP / 252 SpA / 4 Spe  
Modest Nature  
- Draining Kiss  
- Moonblast  
- Giga Drain  
- Calm Mind  

Magearna @ Magearnite  
EVs: 252 HP / 252 SpA / 4 Spe  
Modest Nature  
- Draining Kiss  
- Fleur Cannon  
- Flash Cannon  
- Calm Mind  

Zeraora-Mega @ Zeraorite   
EVs: 252 HP / 252 Atk / 4 Spe  
Adamant Nature  
- Plasma Fists  
- Thunder Punch  
- Drain Punch  
- Bulk Up  

Rayquaza-Mega @ Shell Bell  
EVs: 252 HP / 252 Atk / 4 Spe  
Adamant Nature  
- Swords Dance  
- Dragon Ascent  
- Crunch  
- Extreme Speed  

Mewtwo @ Shell Bell   
EVs: 252 HP / 252 SpA / 4 Spe  
Modest Nature  
- Nasty Plot  
- Safeguard  
- Psychic  
- Psystrike  

Groudon @ Shell Bell  
EVs: 252 HP / 252 Atk / 4 Spe  
Adamant Nature  
- Swords Dance  
- Precipice Blades  
- Earthquake  
- Fire Punch