Its here purely to kill the opponent through a battlefield stall, which unfortunately will happen when you cant find a Legion Loyalist
Comeuppance Unlike most fogs, Comeuppance prevents all damage, not just combat damage, which is pretty helpful
But heres the graphic that explains the mechanic, which will work well for our purposes here: So the first time a Nazgl enters the battlefield, the Ring tempts you, and it will put a +1/+1 counter on itself and any other Wraiths floating around your side of the battlefield
So, on top of looking amazing, Erika's Hospitality is a useful drawcard fit for many decks
This four-mana enchantment creates Treasure tokens whenever opponents draw cards unless they pay a two-mana tax, forcing impossible decisions that benefit you regardless of their choice
Although it stands to reason that computer games based upon this property would probably be a success, an automatic assumption of accomplishment is not always warranted (see Magic: The Gathering - Battlemage)