[When Digivolving] Return 1 black or purple non-[DarkKnightmon (X Antibody)] Digimon card from your trash to your hand. Then, if [DarkKnightmon] or [X Antibody] is in this Digimon's digivolution cards, delete 1 Tamer, and unsuspend this Digimon. [On Deletion] You may play 1 [DarkKnightmon] from your trash without paying its memory cost.