Your search for "Unwilling Vessel 81" revealed the following:
Unwilling Vessel (DSK) from Duskmourn: House of Horror, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Josu Hernaiz Card Text:VigilanceEerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, put a possession counter...
Unwilling Vessel (Foil) (DSK) from Duskmourn: House of Horror, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Josu Hernaiz Card Text:VigilanceEerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, put a possession...