Android 18, Let the Battle Begin

[Blocker] [Counter:Play] Play this card, then if the Battle Card being played has an energy cost of 4 or less, it is placed at the bottom of its owner's deck instead of being played. [Permanent] If your Leader Card is a "Android" card or "Heroine" card, you have a Unison Card in play with a specified cost of 2 or more, and it's your opponent's turn, reduce the energy cost of this card in your hand by 3.