While you have no face-up security cards, you can ignore this card's color requirements.

[Security] [Your Turn] All of your red or blue [TS] trait Digimon
gain [Alliance]. While you have [Apollomon] or [Dianamon], they also gain [Rush].
[Main] Add your bottom security card to the hand and place this card face up as the bottom security card. Then, you may play 1 red or blue [TS] trait Digimon card from your hand with the cost reduced by 3.

[Security] You may play 1 level 4 or lower red or blue [TS] trait Digimon card from your hand or trash without paying the cost.