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Urborg, Tomb of Yawgmoth

Card Name

Urborg, Tomb of Yawgmoth

Type

Legendary Land

Rarity

Mythic Rare

rules Text

Each land is a Swamp in addition to its other land types.

Flavor Text

"All dead, all rotten. Elves and Men and Orcs. There was a great battle here long ago, yes." —Gollum

Legal Formats

Commander, Legacy, Modern, Pioneer, Vintage

Not Legal Formats

Alchemy, Brawl, Explorer, Historic, Pauper, Standard

Rulings

(3/19/2021)
Urborg, Tomb of Yawgmoth isn't a Swamp while it's not on the battlefield.
(3/19/2021)
Land cards not on the battlefield aren't Swamps while Urborg is on the battlefield.
(3/19/2021)
Urborg's ability causes each land on the battlefield to have the land type Swamp. Any land that's a Swamp has the ability ": Add ." Nothing else changes about those lands, including their names, other subtypes, other abilities, and whether they're legendary, basic, or snow.
(3/19/2021)
If an effect such as that of Magus of the Moon causes Urborg to lose its abilities by setting it to a basic land type not in addition to its other types, it won't turn lands into Swamps, no matter in what order those effects started to apply.