Tyranitar-Mega @ Smooth Rock  
Ability: Sand Stream  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Knock Off  
- Anchor Shot  
- Stealth Rock  
- Shore Up  

Gengar-Mega @ Spooky Plate  
Ability: Sand Rush  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Tail Glow  
- Judgment  
- Secret Sword  
- Toxic  

Magearna @ Fairium Z  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
- Anchor Shot  
- Moonblast  
- Defog  
- Shore Up  

Rayquaza-Mega @ Life Orb  
Ability: Adaptability  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Clanging Scales  
- Dragon Ascent  
- Low Kick  
- Strength Sap  

Chansey (F) @ Lucky Punch  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Soft-Boiled  
- U-turn  
- Glare  
- Topsy-Turvy  

Giratina @ Safety Goggles  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Poison Fang  
- Spikes  
- Shore Up  
- Haze