HeavyMetaldramon/Black Sabbath

Effect: ＜Security A. +1＞ (This Digimon checks 1 additional security card.) [When Digivolving] [End of Attack] If your hand has 4 or fewer cards, you may play 1 level 4 or lower Digimon card with the [Evil], [Dark Dragon] or [Evil Dragon] trait from your trash to the field without paying the cost. [When Digivolving] [On Deletion] Trash 2 cards in your hand. Then, you may activate 1 [Main] effect on this card's Option side.

Security/Inherited Effect: When one of your [Evil|Dark Dragon|Evil Dragon] trait Digimon attacks, if your hand has 4 or fewer cards, you may use this card with the cost reduced by 3. [Main] Delete 1 of your opponent's Digimon with a level as high as the number of cards in your hand or higher.