Primarina

Primarina @ Assault Vest
Ability: Liquid Voice
EVs: 252 HP / 48 SpA / 208 SpD
Calm Nature
IVs: 0 Atk
- Moonblast
- Psychic
- Echoed Voice
- Ice Beam

Gigalith @ Rocky Helmet
Ability: Sand Stream
Shiny: Yes
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Stealth Rock
- Explosion
- Heavy Slam
- Superpower

Latias @ Normalium Z
Ability: Levitate
Shiny: Yes
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
IVs: 0 Atk
- Calm Mind
- Stored Power
- Roost
- Draco Meteor

Cresselia @ Mental Herb
Ability: Levitate
EVs: 220 HP / 92 Def / 168 SpA / 28 SpD
Relaxed Nature
IVs: 0 Atk
- Trick Room
- Moonblast
- Future Sight
- Toxic

Magneton @ Choice Specs
Ability: Magnet Pull
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Flash Cannon
- Hidden Power [Grass]
- Volt Switch
- Zap Cannon

Steelix-Mega @ Steelixite
Ability: Sand Force
EVs: 252 HP / 252 Atk / 4 SpD
Brave Nature
IVs: 0 Spe
- Earthquake
- Gyro Ball
- Stone Edge
- Fire Fang