Pan, Challenging a Demon God

[Counter:Attack] Play this card. [Permanent] During your opponent's turn, reduce the energy cost of this card in your hand by 1. [Auto] If your Leader Card is a black "Trunks: Xeno"-only card and you choose 1 card in your hand and send it to your Warp : When this card is played, your opponent can't attack with Battle Cards for the turn unless they choose 2 cards in their hand and discard them each time.