DG Dimension

When you would use this card, if you have a black Tamer in play, reduce the cost by 1. [Main] ＜De-Digivolve 1＞ 3 of your opponent's Digimon. (Trash the top card. You can't trash past level 3 cards.) Then, delete 3 of your opponent's Digimon with play costs of 6 or less.

Security Effect [Security] Activate this card's [Main] effects.