If Rapidash is your Active Pokémon and is damage by an opponent's attack (even if Rapidash is Knocked Out), the Attacking Pokémon is now Burned.
Rear Kick
Damage: 30
Shooting Fire
Damage: 60
Discard 2 Energy attached to Rapidash and choose 1 of your opponent's Pokémon. This attack does 60 damage to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)