Android 18, Perpetual Motion Machine

[Auto] [Limit 1] if your Leader is a red "Android" card : At the end of a battle in which your red "Android 17" Battle Card attacked, play this card from under a "Destroyed West City" in your Battle Area. [Auto] [Limit 1] When this card is played, choose up to 1 of your opponent's Battle Cards or Unisons, and during that turn, that card gets -20000 power and this card gains [Critical].