Hydreigon @ Choice Specs  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Dark Pulse  
- Fire Blast  
- Flash Cannon  

Steelix-Mega @ Steelixite  
Ability: Sand Force  
EVs: 252 HP / 180 Atk / 76 SpD  
Adamant Nature  
- Stealth Rock  
- Earthquake  
- Heavy Slam  
- Toxic  

Tangrowth @ Rocky Helmet  
Ability: Regenerator  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
- Sleep Powder  
- Giga Drain  
- Knock Off  
- Hidden Power [Fire]  

Latios @ Life Orb  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Thunderbolt  
- Roost  
- Defog  

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

Suicune @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 64 SpD / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Protect  
- Scald  
- Calm Mind