From MTG Wiki
Jump to: navigation, search
The Mephidross. Art by Rob Alexander.
The Mephidross (or Dross, for short) is a swamp of sludge, hazardous chemicals and waste, broken and cast off machines, and corroding metal on the world of Mirrodin.

Necrogen[edit | edit source]

Necrogen is a vile mist-like chemical found in the Mephidross. It is corrosive and transforms those exposed for too long into zombies. It is belched from odd structures called "smokestacks" and fills the air.

Occupants[edit | edit source]

Moriok[edit | edit source]

The Moriok, the human occupants of the Dross, lived in scattered communities throughout the swamp. The evil magic of the Necrogen Mists affected the Moriok's brains, exacerbating their natural human tendencies toward hate, aggression, and greed.In the center of the swamps is Ish Sah, the Vault of Whispers, a large fortress that was used to control the activities of the swamp. Here Geth, the ruler of the Moriok, dwelt. The Black Lacuna was also located in the Mephidross.

Nim[edit | edit source]

Nim, the zombies created by the Necrogen, vent the gas themselves, as well. [1] [2][3] They were very numerous and, along with the already horrible conditions of the environment, made this region inhospitable to most life. The leonin and the people of the Razor Fields were the bitter enemies of the nim.

Harvesters[edit | edit source]

Large, horrifying creatures that slither through the Mephidross using their huge scythes to scoop living creatures into the cavity in their back. These were vulnerable for Phyrexianization. [4]

In-game references[edit | edit source]

References[edit | edit source]

  1. Jeremy Cranford. (February 03, 2004.) “Creating Mirrodin: Swamps and Zombies”,, Wizards of the Coast.
  2. Magic Arcana. (May 19, 2004.) “Sketches: Nim Grotesque”,, Wizards of the Coast.
  3. Rei Nakazawa. (September 09, 2003.) “Mirrodin Image”,, Wizards of the Coast.
  4. Monty Ashley. (October 28, 2010.) “Sketches: Corrupted Harvester”,, Wizards of the Coast.