Cloyster @ Focus Sash  
Ability: Skill Link  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Shell Smash  
- Icicle Spear  
- Toxic Spikes  
- Liquidation  

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

Zygarde-Complete @ Leftovers  
Ability: Power Construct  
EVs: 232 Atk / 44 SpD / 232 Spe  
Adamant Nature  
- Dragon Dance  
- Thousand Arrows  
- Substitute  
- Dragon Tail  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 248 SpD / 12 Spe  
Adamant Nature  
- Stealth Rock  
- Swords Dance  
- Rock Tomb  
- Precipice Blades  

Yveltal @ Metronome  
Ability: Dark Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Dark Pulse  
- Oblivion Wing  
- Substitute  
- Disable  

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