Team v. 3

Gardevoir (F) @ Gardevoirite
Ability: Synchronize
EVs: 248 HP / 8 Atk / 252 SpA
Mild Nature
- Moonblast
- Future Sight
- Energy Ball
- Thunder Punch

Diancie @ Stone Plate
Ability: Clear Body
EVs: 248 HP / 252 Atk / 8 SpA
Lonely Nature
- Diamond Storm
- Moonblast
- Psychic
- Return

Latias @ Dragon Fang
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Draco Meteor
- Dragon Pulse
- Mist Ball
- Charge Beam

Florges @ Pixie Plate
Ability: Flower Veil
EVs: 248 HP / 252 SpA / 8 SpD
Modest Nature
- Moonblast
- Petal Dance
- Psychic
- Misty Terrain

Roserade (F) @ Miracle Seed
Ability: Natural Cure
EVs: 248 HP / 252 SpA / 8 SpD
Modest Nature
- Giga Drain
- Petal Dance
- Sludge Bomb
- Aromatherapy

Flygon (M) @ Draco Plate
Ability: Levitate
EVs: 252 Atk / 4 SpA / 252 Spe
Hasty Nature
- Draco Meteor
- Dragon Rush
- Fly
- Fire Blast