The user lays a trap of poison spikes at the feet of the opposing team. The spikes will poison opposing Pokémon that switch into battle.
Toxic Spikes is the only Entry Hazard attack that does not afflict damage on the Pokémon straight away. Instead, it inflicts them with the Poison Condition. It does not affect Pokémon of the Flying Type, Steel Type, Poison Type or Pokémon with the Levitate Ability
The damage that is given through Spikes is determined by the amount of layers that you place:
Amount of Layers
Badly Poisons Opponent
However, on top of this, it is possible for the opponent to dispell the Toxic Spikes if they send out a Poison Type Pokémon
Sets spikes that POISON the opponent upon switching.