Wolf Fang Fist (BT10-030) [Rise of the Unison Warrior (2nd Edition)]

Product Details

[Counter:Attack] If your Leader Card is mono-red : Choose up to 1 attacking Battle Card or Leader Card, ignoring [Barrier], and it gets -15000 power for the battle.
[Permanent] If you have a red Unison Card in play, you can activate this card's [Counter] skill from your hand without paying its energy cost.