D-Reaper Zone BT19-100

Effect: [Security] [Opponent's Turn] When one of your opponent's Digimon attacks, if all of your Digimon and Tamers have the [D-Reaper] trait, for each digivolution card of 1 of your [Mother D-Reaper]s, the attacking Digimon gets -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.
Security Effect: [Security] From your hand and without paying the cost, you may play 1 [D-Reaper] trait card with as high or lower a play cost as the number of 1 of your [Mother D-Reaper]s' digivolution cards.