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.
Unbearable Scent
Once during your turn (before your attack), flip a coin. If heads, your opponent reveals their hand. Place 1 Basic Pokémon from their hand onto the bench