Magearna @ Choice Specs  
Ability: Triage  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Draining Kiss  
- Moonblast  
- Volt Switch  
- Flash Cannon

Magearna @ Psychium Z  
Ability: Pure Power  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Trick Room  
- Iron Head  
- Zen Headbutt  
- Brick Break