User blog comment:アゼム/【For any users】Guessing (buddy)game of the year (2014)!/@comment-6053530-20140506234422

[Cast Cost] Pay 3 gauge. When your opponent link attacks your monster, if this card is in the soul of "Secret Sword, Lethal Formation", you may cast it. (You may not cast it from your hand.)

[Counter] Deal 3 damage to your opponent! Nullify the attack and destroy a monster that attacked.