Necromon

“[Execute] <br>[On Play] [On Deletion] You may play 1 level 5 or lower Digimon card with the [Ghost] trait from your trash without paying the cost. <br>[All Turns] When another Digimon attacks, by deleting this Digimon, delete 1 of your opponent's level 6 or lower Digimon. If this effect didn't delete your opponent's Digimon, you may end that attack.”