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 until the end of your turn.

Security Effect
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.