Torment-Taunt-Night Slash
If Gastrodon uses a successful Protective/Evasive move, use Magnet Rise on the first instance and Substitute (15) on the second, and push down.
If Gastrodon uses Earthquake on an action Bisharp would use Taunt, and Bisharp isn't already under the effects of Magnet Rise, use Magnet Rise on that action and push down, but only once.
If Gastrodon uses a successful Protective/Evasive move, use Magnet Rise on the first instance and Substitute (15) on the second, and push down.
If Gastrodon uses Earthquake on an action Bisharp would use Taunt, and Bisharp isn't already under the effects of Magnet Rise, use Magnet Rise on that action and push down, but only once.