Gengar-Mega @ Gengarite
Ability: Shadow Tag
EVs: 248 HP / 8 Def / 252 Spe
IVs: 0 Atk
Timid Nature
- Perish Song
- Spikes / Kings Shield
- Encore
- Recover

Gengar-Mega @ Spooky Plate  
Ability: Teravolt  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Shell Smash  
- Dark Void / Spore  
- Judgment  
- Secret Sword