Ultimate | Virus | Undead/X Antibody

• Digivolves for 4 from a lv.4 Purple digimon
• Digivolves for 4 from a lv.4 Black digimon
• [Digivolve] from [DoruGreymon]: Cost 1

[When Digivolving] You may trash 1 card with [Dex]/[DeathX] in its name or with the [X Antibody] trait in your hand to gain 1 memory.
[When Digivolving] If this Digimon has [DoruGreymon] in its digivolution cards, or is digivolving from the trash, delete 1 of your opponent's level 4 of lower Digimon.