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

Magearna @ Electrium Z  
Ability: Soul-Heart  
EVs: 116 Def / 140 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shift Gear  
- Calm Mind  
- Thunderbolt  
- Ice Beam  

Kartana @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Knock Off  
- Sacred Sword  
- Smart Strike  

Landorus-Therian (M) @ Rocky Helmet  
Ability: Intimidate  
EVs: 252 HP / 112 Def / 144 Spe  
Impish Nature  
- U-turn  
- Earthquake  
- Stealth Rock  
- Rock Tomb  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 24 Def / 232 SpD  
Careful Nature  
- Thunder Wave  
- Leech Seed  
- Spikes  
- Power Whip  

Rotom-Wash @ Wiki Berry  
Ability: Levitate  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Hydro Pump  
- Volt Switch  
- Defog  
- Will-O-Wisp