Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 20 Def / 176 SpD / 60 Spe  
Impish Nature  
- Swords Dance  
- Earthquake  
- Hidden Power [Ghost]  
- Thunder Wave  

Aerodactyl @ Choice Band  
Ability: Natural Cure  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Ancient Power  
- Drill Peck  
- Earthquake  
- Rest  

Slither Wing @ Leftovers  
Ability: Protosynthesis  
EVs: 168 HP / 252 Atk / 88 Spe  
Adamant Nature  
- Lunge  
- Flamethrower  
- Hidden Power [Rock]  
- Stun Spore  

Snorlax @ Leftovers  
Ability: Immunity  
EVs: 140 HP / 116 Atk / 252 SpD  
Brave Nature  
- Body Slam  
- Shadow Ball  
- Fire Blast  
- Self-Destruct  

Latios (M) @ Soul Dew  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Thunder  
- Ice Beam  
- Recover  
- Refresh  

Shiftry @ Black Glasses  
Ability: Chlorophyll  
EVs: 4 HP / 100 Def / 248 SpA / 156 Spe  
Rash Nature  
- Night Slash  
- Pursuit  
- Heat Wave  
- Explosion