Gothitelle @ Wiki Berry  
Ability: Shadow Tag  
EVs: 252 HP / 84 Def / 172 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Psychic  
- Helping Hand  
- Trick Room  
- Protect  

Volcanion @ Leftovers  
Ability: Water Absorb  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Heat Wave  
- Sludge Bomb  
- Protect  

Kartana @ Grassium Z  
Ability: Beast Boost  
EVs: 252 Atk / 64 SpD / 192 Spe  
Jolly Nature  
- Leaf Blade  
- Sacred Sword  
- Substitute  
- Protect  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 160 Atk / 96 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Substitute  
- Protect  

Landorus-Therian (M) @ Iapapa Berry  
Ability: Intimidate  
EVs: 252 HP / 44 Def / 136 SpA / 28 SpD / 48 Spe  
Modest Nature  
- Earth Power  
- U-turn  
- Knock Off  
- Stealth Rock  

Zeraora @ Assault Vest  
Ability: Volt Absorb  
EVs: 128 HP / 116 Atk / 72 SpD / 192 Spe  
Jolly Nature  
- Fake Out  
- Plasma Fists  
- Snarl  
- Volt Switch