Focus Band (Neo Genesis 86/111)

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.

Card rule

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