Arghonaut @ Leftovers  
Ability: Unaware  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Toxic  
- Circle Throw  
- Recover  
- Ice Punch  

Necturna @ Ghostium Z  
Ability: Forewarn  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Shell Smash  
- Power Whip  
- Phantom Force  
- Substitute  

Greninja @ Choice Scarf  
Ability: Protean  
EVs: 176 Atk / 80 SpA / 252 Spe  
Hasty Nature  
- Rock Slide  
- U-turn  
- Ice Beam  
- Spikes  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Magma Storm  
- Earth Power  
- Toxic  

Tornadus-Therian @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- U-turn  
- Defog  

Latios-Mega @ Latiosite  
Ability: Levitate  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Psychic  
- Ice Beam  
- Earthquake  
- Recover