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"

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.

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.

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.

Unholy Grotto

Land

: Add to your mana pool.

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

Unholy Citadel

Land

Black legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Undiscovered Paradise

Land

: Add one mana of any color to your mana pool. During your next untap step, as you untap your permanents, return Undiscovered Paradise to its owner's hand.

Jolrael's choice of homes was far better than her choice of allies.

Underground Sea

Land - Island Swamp

(: Add or to your mana pool.)

Underground River

Land

: Add to your mana pool.

: Add or to your mana pool. Underground River deals 1 damage to you.

Twilight Mire

Land

: Add to your mana pool.

, : Add , , or to your mana pool.

As their roots soaked in a weak tea of bogwater and decay, the trees absorbed the essence of death into their living tissue.

Turntimber Grove

Land

Turntimber Grove enters the battlefield tapped.

When Turntimber Grove enters the battlefield, target creature gets +1/+1 until end of turn.

: Add to your mana pool.

Tundra

Land - Plains Island

(: Add or to your mana pool.)

Tropical Island

Land - Forest Island

(: Add or to your mana pool.)

Treva's Ruins

Land - Lair

When Treva's Ruins enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.

: Add , , or to your mana pool.

Tresserhorn Sinks

Snow Land

Tresserhorn Sinks enters the battlefield tapped.

: Add or to your mana pool.

"Our land oppressed by silent Cold,
We weary wretches, young and old,
Pray that Springtime loose his hold."
-The Dynasty of Winter Kings

Treetop Village

Land

Treetop Village enters the battlefield tapped.

: Add to your mana pool.

: Treetop Village becomes a 3/3 green Ape creature with trample until end of turn. It's still a land. (If it would assign enough damage to its blockers to destroy them, you may have it assign the rest of its damage to defending player or planeswalker.)

Tree of Tales

Artifact Land

(Tree of Tales isn't a spell.)

: Add to your mana pool.

Transguild Promenade

Land

Transguild Promenade enters the battlefield tapped.

When Transguild Promenade enters the battlefield, sacrifice it unless you pay .

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

Tranquil Thicket

Land

Tranquil Thicket enters the battlefield tapped.

: Add to your mana pool.

Cycling (, Discard this card: Draw a card.)

Tranquil Garden

Land

: Add to your mana pool.

: Add or to your mana pool. Tranquil Garden doesn't untap during your next untap step.

Tranquil Expanse

Land

Tranquil Expanse enters the battlefield tapped.

: Add or to your mana pool.

Despite the chaos of the Roil and the devastation of the Eldrazi, Zendikar is a world of breathtaking beauty.

Tranquil Cove

Land

Tranquil Cove enters the battlefield tapped.

When Tranquil Cove enters the battlefield, you gain 1 life.

: Add or to your mana pool.

Tower of the Magistrate

Land

: Add to your mana pool.

, : Target creature gains protection from artifacts until end of turn.

Like the city, weakest at its foundation.

Tomb of Urami

Legendary Land

: Add to your mana pool. Tomb of Urami deals 1 damage to you if you don't control an Ogre.

, , Sacrifice all lands you control: Put a legendary 5/5 black Demon Spirit creature token with flying named Urami onto the battlefield.

Tomb of the Spirit Dragon

Land

: Add to your mana pool.

, : You gain 1 life for each colorless creature you control.

"The voice calls me here, yet I see only bones. Is this more dragon trickery?"
-Sarkhan Vol

Tolarian Academy

Legendary Land

: Add to your mana pool for each artifact you control.

The academy worked with time-until time ran out.

Tolaria West

Land

Tolaria West enters the battlefield tapped.

: Add to your mana pool.

Transmute (, Discard this card: Search your library for a card with converted mana cost 0, reveal it, and put it into your hand. Then shuffle your library. Transmute only as a sorcery.)

Tolaria

Legendary Land

: Add to your mana pool.

: Target creature loses banding and all "bands with other" abilities until end of turn. Activate this ability only during any upkeep step.

"Fairest Isle, all isles excelling,/ Seat of pleasures, and of loves . . ." -John Dryden

Tinder Farm

Land

Tinder Farm enters the battlefield tapped.

: Add to your mana pool.

, Sacrifice Tinder Farm: Add to your mana pool.

Timberline Ridge

Land

Timberline Ridge 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 Timberline Ridge.

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

Timberland Ruins

Land

Timberland Ruins enters the battlefield tapped.

: Add to your mana pool.

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

Timber Gorge

Land

Timber Gorge enters the battlefield tapped.

: Add or to your mana pool.

Tazeem's embrace is harsh, but for those that call it home, nothing else will do.

Thran Quarry

Land

At the beginning of the end step, if you control no creatures, sacrifice Thran Quarry.

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

Thornwood Falls

Land

Thornwood Falls enters the battlefield tapped.

When Thornwood Falls enters the battlefield, you gain 1 life.

: Add or to your mana pool.

Thespian's Stage

Land

: Add to your mana pool.

, : Thespian's Stage becomes a copy of target land and gains this ability.

Amid rumors of war, the third act of The Absolution of the Guildpact was quickly rewritten as a tragedy.

The Tabernacle at Pendrell Vale

Legendary Land

All creatures have "At the beginning of your upkeep, destroy this creature unless you pay ."

Thawing Glaciers

Land

Thawing Glaciers enters the battlefield tapped.

, : Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle your library. Return Thawing Glaciers to its owner's hand at the beginning of the next cleanup step.

Thalakos Lowlands

Land

: Add to your mana pool.

: Add or to your mana pool. Thalakos Lowlands doesn't untap during your next untap step.

Terramorphic Expanse

Land

, Sacrifice Terramorphic Expanse: Search your library for a basic land card and put it onto the battlefield tapped. Then shuffle your library.

Terrain Generator

Land

: Add to your mana pool.

, : You may put a basic land card from your hand onto the battlefield tapped.