While you have no face-up security cards, you can ignore this card's color requirements.
[Security] [All Turns] All of your [Titan] trait Digimon gain [Blocker]. While you have a Digimon with [Plutomon] or [Titamon] in its name, they also get +3000 DP.
[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 level 4 or lower [Titan] trait card from your hand or trash without paying the cost.

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