Unholy Grotto

Land

: Add to your mana pool.

, : Put target Zombie card from your graveyard on top of your library.

Unknown Shores

Land

: Add {C} to your mana pool. ({C} represents colorless mana.)

, : Add one mana of any color to your mana pool.

Philosophers speak of a place where myths wash like tides upon the shores of the real.

Unstable Frontier

Land

: Add to your mana pool.

: Target land you control becomes the basic land type of your choice until end of turn.

The goblins went to sleep in Jund and awoke in Grixis. They'd never seen a zombie before. They would never see one again.

Untaidake, the Cloud Keeper

Legendary Land

Untaidake, the Cloud Keeper enters the battlefield tapped.

, Pay 2 life: Add to your mana pool. Spend this mana only to cast legendary spells.

Untaidake is the needle that weaves the fabric of creation.

Urborg

Legendary Land

: Add to your mana pool.

: Target creature loses first strike or swampwalk until end of turn.

"Resignedly beneath the sky/The melancholy waters lie./So blend the turrets and shadows there/That all seem pendulous in air,/While from a proud tower in town/Death looks gigantically down." -Edgar Allan Poe, "The City in the Sea"

Urborg Volcano

Land

Urborg Volcano enters the battlefield tapped.

: Add or to your mana pool.

Deep in the heart of Urborg lie massive volcanoes whose thick black smoke covers the land with perpetual darkness.

Urborg, Tomb of Yawgmoth

Legendary Land

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

"Yawgmoth's corpse is a wound in the universe. His foul blood seeps out, infecting the land with his final curse."
-Lord Windgrace

Urza's Factory

Land - Urza's

: Add to your mana pool.

, : Put a 2/2 colorless Assembly-Worker artifact creature token onto the battlefield.

"Though their ideals are leagues apart, Urza's and Mishra's creations have a surprising harmony with one another."
-Tocasia, journal entry

Urza's Mine

Land - Urza's Mine

: Add to your mana pool. If you control an Urza's Power-Plant and an Urza's Tower, add to your mana pool instead.

Urza's Power Plant

Land - Urza's Power-Plant

: Add to your mana pool. If you control an Urza's Mine and an Urza's Tower, add to your mana pool instead.

Urza's Tower

Land - Urza's Tower

: Add to your mana pool. If you control an Urza's Mine and an Urza's Power-Plant, add to your mana pool instead.

Valakut, the Molten Pinnacle

Land

Valakut, the Molten Pinnacle enters the battlefield tapped.

Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to target creature or player.

: Add to your mana pool.

Vault of the Archangel

Land

: Add to your mana pool.

, : Creatures you control gain deathtouch and lifelink until end of turn.

"For centuries my creation kept this world in balance. Now only her shadow remains."
-Sorin Markov

Vault of Whispers

Artifact Land

(Vault of Whispers isn't a spell.)

: Add to your mana pool.

Vec Townships

Land

: Add to your mana pool.

: Add or to your mana pool. Vec Townships doesn't untap during your next untap step.

Veldt

Land

Veldt doesn't untap during your untap step if it has a depletion counter on it.

At the beginning of your upkeep, remove a depletion counter from Veldt.

: Add or to your mana pool. Put a depletion counter on Veldt.

Verdant Catacombs

Land

, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card and put it onto the battlefield. Then shuffle your library.

Vesuva

Land

You may have Vesuva enter the battlefield tapped as a copy of any land on the battlefield.

It is everywhere you've ever been.

Vitu-Ghazi, the City-Tree

Land

: Add to your mana pool.

, : Put a 1/1 green Saproling creature token onto the battlefield.

In the autumn, she casts her seeds across the streets below, and come spring, her children rise in service to the Conclave.

Vivid Crag

Land

Vivid Crag enters the battlefield tapped with two charge counters on it.

: Add to your mana pool.

, Remove a charge counter from Vivid Crag: Add one mana of any color to your mana pool.

Vivid Creek

Land

Vivid Creek enters the battlefield tapped with two charge counters on it.

: Add to your mana pool.

, Remove a charge counter from Vivid Creek: Add one mana of any color to your mana pool.

Vivid Grove

Land

Vivid Grove enters the battlefield tapped with two charge counters on it.

: Add to your mana pool.

, Remove a charge counter from Vivid Grove: Add one mana of any color to your mana pool.

Vivid Marsh

Land

Vivid Marsh enters the battlefield tapped with two charge counters on it.

: Add to your mana pool.

, Remove a charge counter from Vivid Marsh: Add one mana of any color to your mana pool.

Vivid Meadow

Land

Vivid Meadow enters the battlefield tapped with two charge counters on it.

: Add to your mana pool.

, Remove a charge counter from Vivid Meadow: Add one mana of any color to your mana pool.

Volcanic Island

Land - Island Mountain

(: Add or to your mana pool.)

Volrath's Stronghold

Legendary Land

: Add to your mana pool.

, : Put target creature card from your graveyard on top of your library.

The seed of a world's evil.

Wandering Fumarole

Land

Wandering Fumarole enters the battlefield tapped.

: Add or to your mana pool.

: Until end of turn, Wandering Fumarole becomes a 1/4 blue and red Elemental creature with ": Switch this creature's power and toughness until end of turn." It's still a land.

Wanderwine Hub

Land

As Wanderwine Hub enters the battlefield, you may reveal a Merfolk card from your hand. If you don't, Wanderwine Hub enters the battlefield tapped.

: Add or to your mana pool.

Below the great river, a bustling hub channels the flow of merrow trade.

Wasteland

Land

: Add to your mana pool.

, Sacrifice Wasteland: Destroy target nonbasic land.

"The land promises nothing and keeps its promise."
-Oracle en-Vec

Wastes

Basic Land

: Add {C} to your mana pool.

Waterveil Cavern

Land

: Add to your mana pool.

: Add or to your mana pool. Waterveil Cavern doesn't untap during your next untap step.

Watery Grave

Land - Island Swamp

(: Add or to your mana pool.)

As Watery Grave enters the battlefield, you may pay 2 life. If you don't, Watery Grave enters the battlefield tapped.

Wind-Scarred Crag

Land

Wind-Scarred Crag enters the battlefield tapped.

When Wind-Scarred Crag enters the battlefield, you gain 1 life.

: Add or to your mana pool.

Windbrisk Heights

Land

Hideaway (This land enters the battlefield tapped. When it does, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library.)

: Add to your mana pool.

, : You may play the exiled card without paying its mana cost if you attacked with three or more creatures this turn.

Winding Canyons

Land

: Add to your mana pool.

, : Until end of turn, you may play creature cards as though they had flash.

Windswept Heath

Land

, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card and put it onto the battlefield. Then shuffle your library.

Wintermoon Mesa

Land

Wintermoon Mesa enters the battlefield tapped.

: Add to your mana pool.

, , Sacrifice Wintermoon Mesa: Tap two target lands.

Dark is light and day is night
When the winter moon shines.

Wirewood Lodge

Land

: Add to your mana pool.

, : Untap target Elf.

Wizards' School

Land

: Add to your mana pool.

, : Add to your mana pool.

, : Add or to your mana pool.

The legacy of Feroz lives on.

Wooded Bastion

Land

: Add to your mana pool.

, : Add , , or to your mana pool.

The elves of Wilt-Leaf Wood continually expand the palisade surrounding the sanctuary. They hope to one day enclose the entire forest within its walls.

Wooded Foothills

Land

, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card and put it onto the battlefield. Then shuffle your library.

Woodland Cemetery

Land

Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest.

: Add or to your mana pool.

Farmers cut the trees and buried their dead. The dead rose up and killed the farmers. The trees grew back and strangled the dead.

Yavimaya Coast

Land

: Add to your mana pool.

: Add or to your mana pool. Yavimaya Coast deals 1 damage to you.

Yavimaya Hollow

Legendary Land

: Add to your mana pool.

, : Regenerate target creature.

For all its traps and defenses, Yavimaya has its havens, too.

Zoetic Cavern

Land

: Add to your mana pool.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Nothing lives within it, yet there is life.