While it is in the Graveyard, this card's name is treated as 'Skull Servant'. You can discard this card to activate 1 of the following effects:
Select 1 of your removed from play 'Skull Servant' or 'Wightmare', and return it to your Graveyard.
Select 1 of your removed from play 'The Lady in Wight' or 'King of the Skull Servants', and Special Summon it.