D-Reaper Zone

[Security] [Opponent's Turn] When an opponent's Digimon attacks, if all of your Digimon and Tamers have the [D-Reaper] trait, for each of 1 of your [Mother D-Reaper]'s digivolution cards, the attacking Digimon get -1000 DP for the turn. [Main] If you have no face-up security cards, by trashing your top security card, place this card face up as your top security card.

Inherited effect

Security Effect [Security] You may play 1 [D-Reaper] trait card with a play cost equal to or lower than the number of digivolution cards of 1 of your [Mother D-Reaper]'s from your hand without paying the cost.