If this Baby Pokémon is your Active Pokémon and your opponent tries to attack, your opponent flips a coin (before doing anything else required in order to use that attack). If tails, your opponent's turn ends without an attack.
Does 30 damage to 1 of your opponent's Pokémon. This attack's damage isn't affected by Weakness, Resistance or any other effects on that Pokémon
If the Defending Pokémon already has any damage counters on it, this attack does 30 more damage.