Greninja-Mega @ Life Orb  
Ability: Tough Claws  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Fishious Rend  
- Ceaseless Edge  
- Headlong Rush  
- Electro Drift  

Meganium-Mega @ Rocky Helmet  
Ability: Regenerator  
Tera Type: Grass  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Sappy Seed  
- G-Max Resonance  
- G-Max Wind Rage  
- Parting Shot  

Empoleon @ Covert Cloak  
Ability: Primordial Sea  
Tera Type: Water  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
- Steam Eruption  
- G-Max Volt Crash  
- U-turn  
- Heal Order  

Delphox-Mega @ Life Orb  
Ability: Magic Guard  
Tera Type: Fire  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Mind Blown  
- Glitzy Glow  
- Light of Ruin  
- Steel Beam  

Chesnaught-Mega @ Heavy-Duty Boots  
Ability: Fur Coat  
Tera Type: Grass  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Impish Nature  
- Sappy Seed  
- Entrainment  
- Heal Order  
- Teleport  

Swampert-Mega @ Covert Cloak  
Ability: Ice Scales  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Thousand Waves  
- Salt Cure  
- Mortal Spin  
- Heal Order