Serra's Sanctum

Legendary Land

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

A fragile cocoon of dreaming will.

Seraph Sanctuary

Land

When Seraph Sanctuary enters the battlefield, you gain 1 life.

Whenever an Angel enters the battlefield under your control, you gain 1 life.

: Add to your mana pool.

Selesnya Sanctuary

Land

Selesnya Sanctuary enters the battlefield tapped.

When Selesnya Sanctuary enters the battlefield, return a land you control to its owner's hand.

: Add to your mana pool.

Selesnya Guildgate

Land - Gate

Selesnya Guildgate enters the battlefield tapped.

: Add or to your mana pool.

Enter and rejoice! The Conclave stands united, open to one and all.

Sejiri Steppe

Land

Sejiri Steppe enters the battlefield tapped.

When Sejiri Steppe enters the battlefield, target creature you control gains protection from the color of your choice until end of turn.

: Add to your mana pool.

Sejiri Refuge

Land

Sejiri Refuge enters the battlefield tapped.

When Sejiri Refuge enters the battlefield, you gain 1 life.

: Add or to your mana pool.

Secluded Steppe

Land

Secluded Steppe enters the battlefield tapped.

: Add to your mana pool.

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

Secluded Glen

Land

As Secluded Glen enters the battlefield, you may reveal a Faerie card from your hand. If you don't, Secluded Glen enters the battlefield tapped.

: Add or to your mana pool.

Protected by glamers and guile, Glen Elendra harbors the elusive Oona, queen of the fae.

Seat of the Synod

Artifact Land

(Seat of the Synod isn't a spell.)

: Add to your mana pool.

Seaside Haven

Land

: Add to your mana pool.

, , Sacrifice a Bird: Draw a card.

Seaside Citadel

Land

Seaside Citadel enters the battlefield tapped.

: Add , , or to your mana pool.

For wisdom's sake, it was built high to gaze on all things. For glory's sake, it was built high as a testament of power. For strength's sake, it was built high to repel all attacks.

Seafloor Debris

Land

Seafloor Debris enters the battlefield tapped.

: Add to your mana pool.

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

Seafarer's Quay

Land

Blue 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.)

Seachrome Coast

Land

Seachrome Coast enters the battlefield tapped unless you control two or fewer other lands.

: Add or to your mana pool.

Where the Quicksilver Sea laps over the Razor Fields, the landscape reflects the suns' fading hope.

Sea Gate Wreckage

Land

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

{C}, : Draw a card. Activate this ability only if you have no cards in hand.

Once a center for knowledge, Sea Gate now serves as a reminder of what was lost.

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.)

Scrubland

Land - Plains Swamp

(: Add or to your mana pool.)

Scoured Barrens

Land

Scoured Barrens enters the battlefield tapped.

When Scoured Barrens enters the battlefield, you gain 1 life.

: Add or to your mana pool.

Scorched Ruins

Land

If Scorched Ruins would enter the battlefield, sacrifice two untapped lands instead. If you do, put Scorched Ruins onto the battlefield. If you don't, put it into its owner's graveyard.

: Add to your mana pool.

School of the Unseen

Land

: Add to your mana pool.

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

After the terrible retribution visited upon Lat-Nam, this school of mages chose to hide from the eyes of the world.

Scalding Tarn

Land

, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card and put it onto the battlefield. Then shuffle your library.

Scabland

Land

Scabland enters the battlefield tapped.

: Add to your mana pool.

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

Savannah

Land - Forest Plains

(: Add or to your mana pool.)

Savage Lands

Land

Savage Lands enters the battlefield tapped.

: Add , , or to your mana pool.

Jund is a world as cruel as those who call it home. Their brutal struggles scar the land even as it carves them in its image, a vicious circle spiraling out of control.

Sapseep Forest

Land - Forest

(: Add to your mana pool.)

Sapseep Forest enters the battlefield tapped.

, : You gain 1 life. Activate this ability only if you control two or more green permanents.

Saprazzan Skerry

Land

Saprazzan Skerry enters the battlefield tapped with two depletion counters on it.

, Remove a depletion counter from Saprazzan Skerry: Add to your mana pool. If there are no depletion counters on Saprazzan Skerry, sacrifice it.

Saprazzan Cove

Land

Saprazzan Cove enters the battlefield tapped.

: Put a storage counter on Saprazzan Cove.

, Remove any number of storage counters from Saprazzan Cove: Add to your mana pool for each storage counter removed this way.

Sandstone Needle

Land

Sandstone Needle enters the battlefield tapped with two depletion counters on it.

, Remove a depletion counter from Sandstone Needle: Add to your mana pool. If there are no depletion counters on Sandstone Needle, sacrifice it.

Sandstone Bridge

Land

Sandstone Bridge enters the battlefield tapped.

When Sandstone Bridge enters the battlefield, target creature gets +1/+1 and gains vigilance until end of turn.

: Add to your mana pool.

Sandsteppe Citadel

Land

Sandsteppe Citadel enters the battlefield tapped.

: Add , , or to your mana pool.

That which endures, survives.

Sand Silos

Land

Sand Silos enters the battlefield tapped.

You may choose not to untap Sand Silos during your untap step.

At the beginning of your upkeep, if Sand Silos is tapped, put a storage counter on it.

, Remove any number of storage counters from Sand Silos: Add to your mana pool for each storage counter removed this way.

Sanctum of Ugin

Land

: Add to your mana pool.

Whenever you cast a colorless spell with converted mana cost 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle your library.

Saltcrusted Steppe

Land

: Add to your mana pool.

, : Put a storage counter on Saltcrusted Steppe.

, Remove X storage counters from Saltcrusted Steppe: Add X mana in any combination of and/or to your mana pool.

Salt Marsh

Land

Salt Marsh enters the battlefield tapped.

: Add or to your mana pool.

Only death breeds in stagnant water.
-Urborg saying

Salt Flats

Land

Salt Flats enters the battlefield tapped.

: Add to your mana pool.

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

Safe Haven

Land

, : Exile target creature you control.

At the beginning of your upkeep, you may sacrifice Safe Haven. If you do, return each card exiled with Safe Haven to the battlefield under its owner's control.

Sacred Foundry

Land - Mountain Plains

(: Add or to your mana pool.)

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

Rustic Clachan

Land

As Rustic Clachan enters the battlefield, you may reveal a Kithkin card from your hand. If you don't, Rustic Clachan enters the battlefield tapped.

: Add to your mana pool.

Reinforce 1- (, Discard this card: Put a +1/+1 counter on target creature.)

Rushwood Grove

Land

Rushwood Grove enters the battlefield tapped.

: Put a storage counter on Rushwood Grove.

, Remove any number of storage counters from Rushwood Grove: Add to your mana pool for each storage counter removed this way.

Rupture Spire

Land

Rupture Spire enters the battlefield tapped.

When Rupture Spire enters the battlefield, sacrifice it unless you pay .

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