Ouryumon

＜Piercing＞ (When this Digimon attacks and deletes an opponent's Digimon and survives the battle, it performs any security checks it normally would.) [On Play] [When Digivolving] ＜De-Digivolve 2＞ 1 of your opponent's Digimon. (Trash up to 2 cards from the top. You can't trash past level 3 cards.) Then, if during an attack, 1 of your Digimon in the breeding area may digivolve into a level 6 or lower [Chronicle] trait Digimon card in the hand or trash without paying the cost. [All Turns] [Once Per Turn] When security stacks are removed from, delete 1 of your opponent's Digimon with the lowest DP.

Inherited effect

[When Attacking] [Once Per Turn] If this Digimon is [Alphamon: Ouryuken], trash your opponent's top security card.