Alakazam-Mega @ Choice Specs  
Ability: Trace  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Psychic  
- Focus Blast  
- Shadow Ball  
- Knock Off  

Tapu Lele @ Terrain Extender  
Ability: Psychic Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Psychic  
- Hidden Power [Fire]  
- Taunt  

Deoxys-Attack @ Life Orb  
Ability: Pressure  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Psycho Boost  
- Ice Beam  
- Extreme Speed  
- Fire Punch  

Tyranitar-Mega @ Assault Vest  
Ability: Sand Stream  
EVs: 252 HP / 252 SpD / 4 Spe 
Careful Nature  
- Stone Edge  
- Earthquake  
- Pursuit  
- Iron Head  

Lucario-Mega @ Choice Scarf  
Ability: Adaptability  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Low Kick  
- Meteor Mash  
- Stone Edge  
- Close Combat  

Groudon @ Red Orb  
Ability: Drought  
EVs: 144 HP / 156 Atk / 56 SpD / 152 Spe  
Adamant Nature  
- Stealth Rock  
- Swords Dance  
- Precipice Blades  
- Rock Tomb