Gardevoir-Mega @ Gardevoirite  
Ability: Pixilate  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psyshock  
- Hyper Voice  
- Substitute  
- Hidden Power [Fire]  

Tapu Lele @ Choice Scarf  
Ability: Psychic Surge  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Moonblast  
- Shadow Ball  
- Focus Blast  

Dugtrio @ Focus Sash  
Ability: Arena Trap  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Earthquake  
- Rock Slide  
- Sucker Punch  
- Stealth Rock  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 232 Def / 24 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Recover  
- Scald  
- Haze  

Skarmory @ Leftovers  
Ability: Sturdy  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
IVs: 0 Atk  
- Spikes  
- Defog  
- Roost  
- Whirlwind  

Marshadow @ Marshadium Z  
Ability: Technician  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Shadow Sneak  
- Spectral Thief  
- Bulk Up  
- Close Combat