Key to a God (BT29-138) [Fearsome Rivals]

Product Details

[Counter Attack] Negate the attack. Additionally, you may discard 1 card from your hand. If you do, choose up to 1 of your white cards and switch it to Hidden Mode.
[Permanent] [Sparking 5] You can activate this card’s [Counter] skill from your hand by adding 1 card from your life to your hand instead of paying its energy cost.