Mew @ Leftovers  
Ability: Synchronize  
EVs: 252 HP / 28 Def / 228 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Energy Ball  
- Soft-Boiled  
- Defog  

Heatran @ Groundium Z  
Ability: Flash Fire  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Earth Power  
- Flash Cannon  
- Stealth Rock  
- Taunt  

Aerodactyl-Mega @ Aerodactylite  
Ability: Tough Claws  
Happiness: 0  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Pursuit  
- Frustration  
- Roost  
- Earthquake  

Latias (F) @ Black Sludge  
Ability: Levitate  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic  
- Dragon Pulse  
- Recover  
- Calm Mind  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- U-turn  
- Earthquake  
- Stone Edge  
- Explosion  

Magnezone @ Air Balloon  
Ability: Magnet Pull  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Sunny Day  
- Thunderbolt  
- Hidden Power [Fire]  
- Volt Switch