Abbadomon Core

Effect: {Breeding} [Opponent's Turn] When one of your opponent's Digimon attacks, by returning 4 [Negamon] from your trash or your Digimon's digivolution cards to the bottom of the Digi-Egg deck, this Digimon moves to the battle area.＜Collision＞ ＜Piercing＞ ＜Security A. +1＞ ＜Reboot＞ ＜Blocker＞[When Moving] [When Digivolving] [When Attacking] By placing 3 level 6 or lower Digimon cards with [Negamon] in their texts from your trash as this Digimon's top digivolution cards, delete all of your opponent's lowest level Digimon.