If the Defending Pokémon tries to attack during your opponent's next turn, your opponent flips a coin. If tails, that attack does nothing.
Abilities
Heal Block
Poké-Body
If you have Lunatone in play, damage counters can't be removed from any Pokémon (both yours and your opponent's). (Damage counters can still be moved.)
Disclaimer: The following data is based on sale history from a third party source. Data is updated about every 5 days. This data does not serve as a value guarantee.