Fist Of Athena BT18-099
Effect: While you have a Digimon with [Knightmon] in its text, you may ignore this card’s color requirements._x000D_
[Main] Until the end of opponent’s turn, 1 of your their Digimon gains “[Start of Your Main Phase] This Digimon attacks.” Then, place this card in the battle area._x000D_
[All Turns] When attack target changes, <Delay> (After this card is placed, by trashing it the next turn or later, activate the effect below)._x000D_
・1 of your Digimon gains <Piercing> (When this Digimon attacks and deletes an opponent’s Digimon and survives the battle, it performs any security checks it normally would) and <Security A. +1> (This Digimon checks 1 additional security card) until the end of your turn.
Inherited Effect: 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.