Security Effect
[When Attacking] (Once Per Turn) If you have 2 or more Black tamers in play, <De-Digivolve 1> 1 of your opponent's Digimon. (Trash 1 card from the top of one of your opponent's Digimon. If it has no digivolution cards, or becomes a level 3 Digimon, you can't trash any more cards.)