All stat changes affecting the target turn topsy-turvy and become the opposite of what they were.
Effect
this move has the following additional effects:
Creates an electric terrain, which lasts for 5 rounds (including the current round). It has the following effect: Electric-type moves used by non-airborne Pokémon do 50% more damage. All Pokémon that are not airborne or semi-invulnerable cannot fall asleep or be affected by Yawn or use Rest. This effect replaces Grassy Terrain and Misty Terrain if they are in effect.
Pokémon that learn Topsy-Turvy
Level Up
Note: Due to memory issues, results are limited to 50.