Laser Cannon (EX3-071) - Draconic Roar

[Main] [De-Digivolve 1] 1 of your opponent's Digimon. (Trash 1 card from the top of 1 of your opponent's Digimon. Stop trashing when you would trash a level 3 card or the Digimon's last card.) Then, delete 1 of your opponent's Digimon with a play cost of 5 or less.

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