Kami, A Responsibility to Fulfill (Zenkai Series Tournament Pack Vol.4) (P-499) - Tournament Promotion Cards

[Counter:Play] [Limit 1] Play this card.
[Permanent] If your opponent's Leader has a Battle Card under it, reduce the energy cost of this card in your hand by 2.
[Auto] When this card is played, choose up to 1 of your opponent's Battle Cards, and that card gets-15000 power for the turn.