Deathxmon BT9-112

Effect: When you would play this card, reduce its memory cost by 3 for each Digimon and Tamer your opponent has in play._x000D_
[On Play] [When Digivolving] ＜De-Digivolve 1＞ all of your opponent’s Digimon (Trash the top card. You can’t trash past level 3 cards). Then, delete all of your opponent’s level 4 or lower Digimon._x000D_
[End of Opponent’s Turn] [Once Per Turn] Delete all of your opponent’s Digimon with the lowest play cost.