[PKM] Psyduck (74/102) [HeartGold & SoulSilver: Triumphant]

Flip a coin. If heads, this attack does 30 damage to 1 of your opponent's Pokémon. If tails, this attack does 30 damage to 1 of your Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)