Adarkar Wastes

Land

: Add to your mana pool.

: Add or to your mana pool. Adarkar Wastes deals 1 damage to you.

Battlefield Forge

Land

: Add to your mana pool.

: Add or to your mana pool. Battlefield Forge deals 1 damage to you.

Brushland

Land

: Add to your mana pool.

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

Caves of Koilos

Land

: Add to your mana pool.

: Add or to your mana pool. Caves of Koilos deals 1 damage to you.

Faerie Conclave

Land

Faerie Conclave enters the battlefield tapped.

: Add to your mana pool.

: Faerie Conclave becomes a 2/1 blue Faerie creature with flying until end of turn. It's still a land. (It can't be blocked except by creatures with flying or reach.)

Forbidding Watchtower

Land

Forbidding Watchtower enters the battlefield tapped.

: Add to your mana pool.

: Forbidding Watchtower becomes a 1/5 white Soldier creature until end of turn. It's still a land.

Ghitu Encampment

Land

Ghitu Encampment enters the battlefield tapped.

: Add to your mana pool.

: Ghitu Encampment becomes a 2/1 red Warrior creature with first strike until end of turn. It's still a land. (It deals combat damage before creatures without first strike.)

Karplusan Forest

Land

: Add to your mana pool.

: Add or to your mana pool. Karplusan Forest deals 1 damage to you.

Llanowar Wastes

Land

: Add to your mana pool.

: Add or to your mana pool. Llanowar Wastes deals 1 damage to you.

Quicksand

Land

: Add to your mana pool.

, Sacrifice Quicksand: Target attacking creature without flying gets -1/-2 until end of turn.

Shivan Reef

Land

: Add to your mana pool.

: Add or to your mana pool. Shivan Reef deals 1 damage to you.

Spawning Pool

Land

Spawning Pool enters the battlefield tapped.

: Add to your mana pool.

: Spawning Pool becomes a 1/1 black Skeleton creature with ": Regenerate this creature" until end of turn. It's still a land. (If it regenerates, the next time it would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Sulfurous Springs

Land

: Add to your mana pool.

: Add or to your mana pool. Sulfurous Springs deals 1 damage to you.

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.)

Underground River

Land

: Add to your mana pool.

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

Yavimaya Coast

Land

: Add to your mana pool.

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

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.

City of Brass

Land

Whenever City of Brass becomes tapped, it deals 1 damage to you.

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

Coastal Tower

Land

Coastal Tower enters the battlefield tapped.

: Add or to your mana pool.

A beacon in the night, a dream in the fog.

Elfhame Palace

Land

Elfhame Palace enters the battlefield tapped.

: Add or to your mana pool.

The elfhames are the closest thing to "civilization" the elves allow themselves.

Salt Marsh

Land

Salt Marsh enters the battlefield tapped.

: Add or to your mana pool.

Only death breeds in stagnant water.
-Urborg saying

Shivan Oasis

Land

Shivan Oasis enters the battlefield tapped.

: Add or to your mana pool.

Only the hardiest explorers survive to eat the fruit.

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.

Arctic Flats

Snow Land

Arctic Flats enters the battlefield tapped.

: Add or to your mana pool.

"A realm once green now ruled by Frost,
Where flesh and field both pay its cost.
Those dearly loved, forever lost . . ."
-The Dynasty of Winter Kings

Boreal Shelf

Snow Land

Boreal Shelf enters the battlefield tapped.

: Add or to your mana pool.

"Who will stay the Tyrant's hand,
As ice and woe both grip our land?
The helpless feel his frozen brand."
-The Dynasty of Winter Kings

Dark Depths

Legendary Snow Land

Dark Depths enters the battlefield with ten ice counters on it.

: Remove an ice counter from Dark Depths.

When Dark Depths has no ice counters on it, sacrifice it. If you do, put a legendary 20/20 black Avatar creature token with flying and "This creature is indestructible" named Marit Lage onto the battlefield.

Frost Marsh

Snow Land

Frost Marsh enters the battlefield tapped.

: Add or to your mana pool.

"Now caged in Winter's bitter chill,
Our people cry, their voices shrill-
Eternal cold breaks down their will."
-The Dynasty of Winter Kings

Highland Weald

Snow Land

Highland Weald enters the battlefield tapped.

: Add or to your mana pool.

"Our noble land, enslaved by Rime,
Is it our fate to freeze through time?
If this be true, oh wicked crime."
-The Dynasty of Winter Kings

Mouth of Ronom

Snow Land

: Add to your mana pool.

{S}, , Sacrifice Mouth of Ronom: Mouth of Ronom deals 4 damage to target creature. ({S} can be paid with one mana from a snow permanent.)

Scrying Sheets

Snow Land

: Add to your mana pool.

{S}, : Look at the top card of your library. If that card is snow, you may reveal it and put it into your hand. ({S} can be paid with one mana from a snow permanent.)

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

Snow-Covered Plains

Basic Snow Land - Plains

(: Add to your mana pool.)

Snow-Covered Island

Basic Snow Land - Island

(: Add to your mana pool.)

Snow-Covered Swamp

Basic Snow Land - Swamp

(: Add to your mana pool.)

Snow-Covered Mountain

Basic Snow Land - Mountain

(: Add to your mana pool.)

Snow-Covered Forest

Basic Snow Land - Forest

(: Add to your mana pool.)

Ancient Den

Artifact Land

(Ancient Den isn't a spell.)

: Add to your mana pool.

Blinkmoth Well

Land

: Add to your mana pool.

, : Tap target noncreature artifact.