Dialga @ Life Orb  
Ability: Telepathy  
Level: 50  
EVs: 20 HP / 92 Def / 252 SpA / 4 SpD / 140 Spe  
Modest Nature  
IVs: 0 Atk  
- Power Gem  
- Flash Cannon  
- Earth Power  
- Roar of Time  

Yveltal @ Assault Vest  
Ability: Dark Aura  
Level: 50  
EVs: 252 HP / 4 Atk / 76 Def / 68 SpA / 60 SpD / 44 Spe  
Serious Nature  
- Snarl  
- Sucker Punch  
- Oblivion Wing  
- Foul Play  

Landorus-Therian @ Choice Band  
Ability: Intimidate  
Level: 50  
EVs: 4 HP / 212 Atk / 4 Def / 36 SpD / 252 Spe  
Adamant Nature  
- Earthquake  
- Rock Slide  
- Stone Edge  
- U-turn  

Gyarados @ Charti Berry  
Ability: Intimidate  
Level: 50  
EVs: 4 HP / 244 Atk / 4 Def / 4 SpD / 252 Spe  
Adamant Nature  
- Waterfall  
- Power Whip  
- Protect  
- Stone Edge  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
Level: 50  
EVs: 252 HP / 156 Def / 100 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Body Press  
- Iron Defense  
- Leech Seed  
- Protect  

Thundurus @ Sitrus Berry  
Ability: Prankster  
Level: 50  
EVs: 252 HP / 140 Def / 4 SpA / 84 SpD / 28 Spe  
Calm Nature  
IVs: 0 Atk  
- Thunderbolt  
- Scary Face  
- Eerie Impulse  
- Taunt