For each of your opponent's Benched Pokémon, flip a coin. If heads, this attack does 20 damage to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.) Then, Zapdos does 10 damage times the number of tails to itself.
For each of your opponent's Benched Pokémon, flip a coin. If heads, this attack does 20 damage to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.) Then, Zapdos does 10 damage times the number of tails to itself.
