Latias-Mega @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psyshock  
- Ice Beam  
- Calm Mind  
- Recover  

Gigalith @ Wiki Berry  
Ability: Sand Stream  
EVs: 252 HP / 212 Atk / 44 Def  
Brave Nature  
IVs: 0 Spe  
- Rock Slide  
- Stealth Rock  
- Toxic  
- Wide Guard  

Excadrill @ Life Orb  
Ability: Sand Rush  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Earthquake  
- Iron Head  
- Rock Slide  
- Protect  

Azumarill @ Fairium Z  
Ability: Huge Power  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Play Rough  
- Aqua Jet  
- Knock Off  
- Protect  

Thundurus @ Life Orb  
Ability: Prankster  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Hidden Power [Ice]  
- Thunder Wave  
- Protect  

Entei @ Mago Berry  
Ability: Inner Focus  
Shiny: Yes  
EVs: 252 HP / 104 Atk / 152 Spe  
Adamant Nature  
- Sacred Fire  
- Stone Edge  
- Roar  
- Protect