Skuntank (Diamond & Pearl 15/130)
0
Darkness Darkness
Frustration

Choose 1 of your opponent's Pokémon that doesn't have any damage counters on it. This attack does 30 damage to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)

Darkness Darkness Colorless
Toxic Cloud
30

Flip a coin. If heads, the Defending Pokémon is now Poisoned. Put 2 damage counters instead of 1 on the Defending Pokémon between turns.