Hit, Deadly Vanguard

[Counter:Play] If the Battle Card being played has an energy cost of 5 or less, it is returned to its owner's hand instead of being played, then play this card. [Permanent] During your opponent's turn, reduce the energy cost of this card in your hand by 2. [Permanent] This card can't be returned to your hand by your skills. [Auto] When you play this card, choose up to 1 of your opponent's Battle Cards with an energy cost of 5 or less and return it to its owner's hand.