Fist of Athena

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.
[Security] [Security] You may play 1 level 5 or lower Digimon card with [Knightmon] in its text from your trash without paying the cost. Then, place this card in the battle area.