Koga's Ninja Trickキョウ秘伝,変わり身の術

Attach Koga's Ninja Trick to your Active Pokémon with Koga in its name. If this Pokémon goes to your Bench, discard this card. When your opponent attacks, you may switch this Pokémon with 1 of your Benched Pokémon (before damage or other effects of attacks).