“{rN}—[Effect]” means “When one or more lore counters are put onto this Saga, if the number of lore counters on it was less than N and became at least N, [effect].”
January 25, 2019 · Ravnica Allegiance
"{rN}-[Effect]" means "When one or more lore counters are put onto this Saga, if the number of lore counters on it was less than N and became at least N, [effect]."
April 27, 2018 · Dominaria
“{rN}—[Effect]” means “When one or more lore counters are put onto this Saga, if the number of lore counters on it was less than N and became at least N, [effect].”