Marowak-Alola @ Thick Club  
Ability: Lightning Rod  
EVs: 252 HP / 200 Atk / 56 SpD  
Adamant Nature  
- Flare Blitz  
- Shadow Bone  
- Bonemerang  
- Protect  

Slowbro-Mega @ Slowbronite  
Ability: Shell Armor  
Hidden Power: Water  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Calm Mind  
- Scald  
- Psyshock  
- Slack Off  

Landorus-Therian @ Wiki Berry  
Ability: Intimidate  
EVs: 252 HP / 44 Def / 212 SpD  
Quiet Nature  
- Earth Power  
- U-turn  
- Stealth Rock  
- Sludge Bomb  

Porygon2 @ Eviolite  
Ability: Download  
EVs: 252 HP / 88 Def / 16 SpA / 152 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Thunderbolt  
- Ice Beam  
- Recover  
- Trick Room  

Gothitelle @ Choice Scarf  
Ability: Shadow Tag  
EVs: 252 HP / 152 Def / 104 SpD  
Calm Nature  
IVs: 0 Atk  
- Psychic  
- Heal Pulse  
- Trick Room  
- Trick  

Diancie @ Rockium Z  
Ability: Clear Body  
EVs: 252 HP / 252 Atk / 4 SpA  
Brave Nature  
- Diamond Storm  
- Moonblast  
- Trick Room  
- Protect