Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Reflect Type  
- Stored Power  
- Recover  

Hydreigon @ Rocky Helmet  
Ability: Levitate  
EVs: 8 HP / 220 SpA / 28 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Dark Pulse  
- Earth Power  
- Roost  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 136 SpD / 120 Spe  
Calm Nature  
IVs: 0 Atk  
- Magma Storm  
- Toxic  
- Earth Power  
- Stealth Rock  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 24 HP / 252 Atk / 232 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Stone Edge  
- Defog  

Slowbro @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Scald  
- Future Sight  
- Slack Off  
- Teleport  

Nihilego @ Electrium Z  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Power Gem  
- Thunder  
- Sludge Bomb