Sheoldred, Whispering One

Swampwalk
At the beginning of your upkeep, return target
creature card from your graveyard to the battlefield. At the beginning of each
opponent's upkeep, that player sacrifices a
creature.
Tanith is the woman that the Iron Maiden monsters'
designs are based on. The Iron Maidens were made
at Volcano Manor and they would also be used to fight against the Golden Order that sought to destroy
the manor.