Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 72 SpA / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Recover  
- Ice Beam  
- Psyshock  

Landorus-Therian (M) @ Choice Band  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Rock Slide  
- Superpower  

Scrafty @ Assault Vest  
Ability: Intimidate  
EVs: 252 HP / 176 Atk / 80 Def  
Adamant Nature  
- Fake Out  
- Knock Off  
- Drain Punch  
- Ice Punch  

Diancie @ Weakness Policy  
Ability: Clear Body  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Diamond Storm  
- Trick Room  
- Moonblast  
- Protect  

Volcanion @ Leftovers  
Ability: Water Absorb  
EVs: 252 HP / 160 Def / 96 SpA  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Heat Wave  
- Substitute  
- Protect  

Amoonguss @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 176 Def / 80 SpD  
Bold Nature  
IVs: 0 Atk / 28 Spe  
- Grass Knot  
- Protect  
- Spore  
- Rage Powder