Raijinmon

[Hand] [Main] If you have a Digimon in play with [Justimon] or [Raidenmon] in its name, you may pay 1 memory to place this card under that Digimon as its bottom digivolution card. [When Digivolving] You may trash 1 card with the [Machine] or [Cyborg] trait in your hand to have 1 of your opponent's Digimon get -4000 DP for the turn.

Inherited effect

[When Attacking] 1 of your opponent's Digimon gets -4000 DP for the turn.