Put damage counters on the Defending Pokémon until it is 10 HP away from being Knocked Out. Weezing does 70 damage to itself.
[G][C] Smogscreen: 20
The Defending Pokémon is now Poisoned. If the Defending Pokémon tries to attack during your opponent’s next turn, your opponent flips a coin. If tails, that attack does nothing.