Gengar-Mega @ Gengarite  
Ability: Shadow Tag  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Taunt  
- Hex  
- Focus Blast  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 220 Atk / 56 SpD / 232 Spe  
Adamant Nature  
- Substitute  
- Dragon Dance  
- Dragon Tail  
- Thousand Arrows  

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

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 240 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Recover  
- Judgment  
- Defog  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Pain Split  
- Fleur Cannon  
- Volt Switch  
- Heart Swap  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Toxic  
- Dragon Tail  
- Stealth Rock  
- Fire Punch