Deoxys-Speed @ Rocky Helmet  
Ability: Pressure  
EVs: 248 HP / 208 Def / 52 Spe  
Timid Nature  
IVs: 0 Atk  
- Iron Defense  
- Taunt  
- Recover  
- Amnesia  

Heracross-Mega @ Heracronite  
Ability: Skill Link  
EVs: 112 HP / 252 Atk / 144 Spe  
Adamant Nature  
- Arm Thrust  
- Bullet Seed  
- Close Combat  
- Pin Missile  

Magearna @ Choice Scarf  
Ability: Soul-Heart  
EVs: 24 HP / 252 SpA / 4 SpD / 228 Spe  
Modest Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Flash Cannon  
- Ice Beam  
- Hidden Power [Fire]