Ultimate Flare

[Main] ＜De-Digivolve 3＞ 1 of your opponent's Digimon. (Trash up to 3 cards from the top. You can't trash past level 3 cards.) Then, delete all of your opponent's Digimon with play costs of 3 or less.

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