Environment. If Gates of Morning is in play, treat all Wildernesses [w] as Border-lands [b] and all Border-lands [b] as Free-domains [f] for the purposes of playing hazards. If Doors of Night is in play, treat all Dark-domains [d] as Shadow-lands [s] and all Shadow-lands [s] as Wilderness [w] for the purposes of playing hazards. Cannot be duplicated.