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

Dugtrio @ Focus Sash  
Ability: Arena Trap  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Earthquake  
- Stealth Rock  
- Sucker Punch  
- Memento  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 248 HP / 8 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Defog  
- Thunder Wave  
- Toxic  
- Hex  

Ho-Oh @ Flyinium Z  
Ability: Regenerator  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Sacred Fire  
- Recover  
- Brave Bird  
- Defog  

Palkia @ Assault Vest  
Ability: Pressure  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Spacial Rend  
- Earth Power  
- Thunder  
- Ice Beam  

Necrozma-Dusk-Mane @ Colbur Berry  
Ability: Prism Armor  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Morning Sun  
- Sunsteel Strike  
- Thunder Wave  
- Stealth Rock