Gothitelle @ Leftovers
Ability: Shadow Tag
Nature: Modest
EV: 252 KP | 252 Sp. Atk | 6 Init
Moves:
- Thunder Wave
- Heal Block
- Psychic
- HP (Fire)

- Prevent the enemy from running away via shadow tag
- Paralyse him in the beginning of the fight
- Block every form of heal via Heal Block (Mewtwo or Lugia can be a pain)
- Deal damage with the other 2 moves