Grumpig (F) @ Choice Band
Ability: Thick Fat
EVs: 212 HP / 204 Def / 92 Spe
Timid Nature (+Spe, -SpA)
- Trick
- Icy Wind
- Torment
- Skill Swap

Latias (F) @ Lum Berry
EVs: 236 HP / 48 Def / 6 SpD / 220 Spe
Ability: Levitate
Timid Nature
- Charm
- Flash
- Recover
- Thunder Wave

Gyarados @ Leftovers 
IVs: 31 HP / 31 Attack / 31 Def / 30 SpA / 30 SpD / 30 Spe
EVs: 56 HP / 252 Atk / 196 Def / 4 SpD 
Ability: Intimidate
Shiny: Yes
Adamant Nature
- Substitute
- Earthquake
- Hidden Power [Flying]
- Dragon Dance