Unown Hアンノーン[H]Unlimited

Poké-PowerHEAL

Once during your turn (before your attack), if you have Unown H, Unown E, Unown A, and Unown L on your Bench, you may remove all Special Conditions from 1 of your Active Pokémon.

Discard a card from your hand. (If you can't discard a card from your hand, this attack does nothing.)