Focus Band 086 - 1st Edition Neo Genesis - Rare

Attach Focus Band to 1 of your Pokémon that doesn't have a Pokémon Tool attached to it.

If the Pokémon Focus Band is attached to would be Knocked Out by your opponent's attack, flip a coin. If heads, that Pokémon is not Knocked Out and its remaining HP become 10 instead. Then, discard Focus Band.