I hope you don't mind my use of Legendaries:
Serious Flygon:
Crunch
Flamethrower
Dragon Claw
Earthquake
Serious Jirachi:
Double Team
Future Sight
Wish
Toxic
Skarmoury with the nature that hinders Sp. Attack and raises Sp. Defence:
Agility
Spikes
Roar
Drill Peck
Adamant Breloom:
Focus Punch
Spore
Leech Seed
Shadow Ball
Modest Rayquaza:
Thunderbolt
Surf
Flamethrower
Dragon Claw
Modest Kyogre:
Surf
Thunder
Calm Mind
Rest
Serious Flygon:
Crunch
Flamethrower
Dragon Claw
Earthquake
Serious Jirachi:
Double Team
Future Sight
Wish
Toxic
Skarmoury with the nature that hinders Sp. Attack and raises Sp. Defence:
Agility
Spikes
Roar
Drill Peck
Adamant Breloom:
Focus Punch
Spore
Leech Seed
Shadow Ball
Modest Rayquaza:
Thunderbolt
Surf
Flamethrower
Dragon Claw
Modest Kyogre:
Surf
Thunder
Calm Mind
Rest