Scan shows the standard printing - the source has no photo of this variant.
ニドキング
The Defending Pokémon is now Poisoned.
Flip a coin. If heads, this attack does 10 damage to each of your opponent's Benched Pokémon. If tails, this attack does 10 damage to each of your Benched Pokémon. (Don't apply Weakness or Resistance for Benched Pokémon.)