[Main] Until the end of your opponent's turn, 1 of your opponent's Digimon gains "[On Deletion] Trash the top card of your security stack." Then, if you have a blue Digimon in play, you may play 1 green level 4 or lower Digimon card with a [Free] trait from your hand without paying its cost.
Securityeffect[Security] Activate this card's [Main] effect.
