The Dwarven Gate was a planar portal beneath Castle Sengir that led from Ulgrotha to an unknown plane. Baron Sengir wished to conquer Ulgrotha, then march his troops through the portal to take whatever was on the other side.
- D.G. Chichester (February, 1996) "Homelands" (comic)
- Scott Hungerford and Kyle Namvar (June 14th, 1995), "Backstory for Magic the Gathering: Homelands"
- Mark Rosewater (March 11, 2019). "Where It's At". magicthegathering.com. Wizards of the Coast.