Magearna @ Fairium Z
Ability: Soul-Heart
EVs: 248 HP / 48 SpD / 212 Spe
Bold Nature
- Fleur Cannon
- Iron Defense
- Pain Split
- Calm Mind

Magearna @ Air Balloon
Ability: Soul-Heart
EVs: 232 HP / 240 SpA / 26 SpD
Modest Nature
IVs: 0 Atk
- Fleur Cannon
- Ice Beam
- Magnet Rise
- Thunderbolt / Hidden Power [Fire] / Calm Mind

Magearna @ Shuca Berry  
Ability: Soul-Heart  
EVs: 100 HP / 132 Def / 60 SpA / 216 Spe  
Modest Nature  
IVs: 0 Atk  
- Ice Beam  
- Fleur Cannon  
- Thunderbolt
- Calm Mind

Magearna @ Choice Specs
Ability: Soul-Heart
EVs: 248 HP / 28 Def / 200 SpA / 32 SpD
Modest Nature
IVs: 0 Atk
- Fleur Cannon
- Flash Cannon
- Thunderbolt
- Hidden Power [Fire]

Magearna @ Steelium Z  
Ability: Soul-Heart  
EVs: 248 HP / 4 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Iron Defense  
- Calm Mind  
- Pain Split  
- Flash Cannon