If this Pokémon is your Active Pokémon and is damaged by an opponents attack(even if this Pokemon is Knocked Out), the Attacking Pokemon is now Confused. Pokémon-GX rule — When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.

• Fiery Bone

  90

  Your opponent's Active Pokémon is now Burned.

• Lost Boomerang GX

  This attack does 50 damage to 2 of your opponent's Pokémon. This damage isn't effected by Weakness or Resistance. If a Pokémon is Knocked Out by this damage, put that Pokémon and all cards attached to it in the Lost Zone instead of the discard pile.(You can't use more than 1 GX attack in a game.)