Smoochum (N3 54)
Flip a coin. If heads, choose a Special Energy card attached to 1 of your opponent's Pokémon. Your opponent shuffles that card into his or her deck.
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.