Whenever you attach a , , or basic Energy card from your hand to Nidoking, Nidoking's type (color) becomes the same as that Energy card type until the end of the turn.
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.)