Fist of Athena [BT18-099] [Release Special Booster 2.0]

While you have a Digimon with [Knightmon] in its text, you may ignore this card's color requirements. [Main] Until the end of your opponent's turn, give 1 of their Digimon "[Start of Your Main Phase] This Digimon attacks." Then, place this card in the battle area. [All Turns] When attack targets change, [Delay]. • 1 of your Digimon gains [Piercing] and [Security A. +1] the end of your turn.