Stirring Wildwood

Land

Stirring Wildwood enters the battlefield tapped.

: Add or to your mana pool.

: Until end of turn, Stirring Wildwood becomes a 3/4 green and white Elemental creature with reach. It's still a land.

Stensia Bloodhall

Land

: Add to your mana pool.

, : Stensia Bloodhall deals 2 damage to target player.

The revelry ends when the supply of fresh ingenues runs dry.

Steam Vents

Land - Island Mountain

(: Add or to your mana pool.)

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

Crafted with genius, energized with madness.

Starlit Sanctum

Land

: Add to your mana pool.

, , Sacrifice a Cleric creature: You gain life equal to the sacrificed creature's toughness.

, , Sacrifice a Cleric creature: Target player loses life equal to the sacrificed creature's power.

Stalking Stones

Land

: Add to your mana pool.

: Stalking Stones becomes a 3/3 Elemental artifact creature that's still a land. (This effect lasts indefinitely.)

Springjack Pasture

Land

: Add to your mana pool.

, : Put a 0/1 white Goat creature token onto the battlefield.

, Sacrifice X Goats: Add X mana of any one color to your mana pool. You gain X life.

Spinerock Knoll

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 an opponent was dealt 7 or more damage this turn.

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.)

Spawning Bed

Land

: Add to your mana pool.

, , Sacrifice Spawning Bed: Put three 1/1 colorless Eldrazi Scion creature tokens onto the battlefield. They have "Sacrifice this creature: Add to your mana pool."

Young Eldrazi crawl forth from the dust, compelled by a greater will.

Sorrow's Path

Land

: Choose two target blocking creatures an opponent controls. If each of those creatures could block all creatures that the other is blocking, remove both of them from combat. Each one then blocks all creatures the other was blocking.

Whenever Sorrow's Path becomes tapped, it deals 2 damage to you and each creature you control.

Soldevi Excavations

Land

If Soldevi Excavations would enter the battlefield, sacrifice an untapped Island instead. If you do, put Soldevi Excavations onto the battlefield. If you don't, put it into its owner's graveyard.

: Add to your mana pool.

, : Look at the top card of your library. You may put that card on the bottom of your library.

Soaring Seacliff

Land

Soaring Seacliff enters the battlefield tapped.

When Soaring Seacliff enters the battlefield, target creature gains flying until end of turn.

: Add to your mana pool.

Snow-Covered Swamp

Basic Snow Land - Swamp

(: Add to your mana pool.)

Snow-Covered Plains

Basic Snow Land - Plains

(: Add to your mana pool.)

Snow-Covered Mountain

Basic Snow Land - Mountain

(: Add to your mana pool.)

Snow-Covered Island

Basic Snow Land - Island

(: Add to your mana pool.)

Snow-Covered Forest

Basic Snow Land - Forest

(: Add to your mana pool.)

Smoldering Spires

Land

Smoldering Spires enters the battlefield tapped.

When Smoldering Spires enters the battlefield, target creature can't block this turn.

: Add to your mana pool.

Smoldering Marsh

Land - Swamp Mountain

(: Add or to your mana pool.)

Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

The continent of Guul Draz is a geothermal swampland reeking of heat and decay.

Smoldering Crater

Land

Smoldering Crater enters the battlefield tapped.

: Add to your mana pool.

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

Sliver Hive

Land

: Add to your mana pool.

: Add one mana of any color to your mana pool. Spend this mana only to cast a Sliver spell.

, : Put a 1/1 colorless Sliver creature token onto the battlefield. Activate this ability only if you control a Sliver.

Slippery Karst

Land

Slippery Karst enters the battlefield tapped.

: Add to your mana pool.

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

Slayers' Stronghold

Land

: Add to your mana pool.

, : Target creature gets +2/+0 and gains vigilance and haste until end of turn.

Its courtyards are lit during every hour of the day so that night may never fall within its walls.

Skyshroud Forest

Land

Skyshroud Forest enters the battlefield tapped.

: Add to your mana pool.

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

Skyline Cascade

Land

Skyline Cascade enters the battlefield tapped.

When Skyline Cascade enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step.

: Add to your mana pool.

Skycloud Expanse

Land

, : Add to your mana pool.

From Otaria, the sun above meets the sea below at a glittering horizon.

Skarrg, the Rage Pits

Land

: Add to your mana pool.

, : Target creature gets +1/+1 and gains trample until end of turn.

Simic Guildgate

Land - Gate

Simic Guildgate enters the battlefield tapped.

: Add or to your mana pool.

Enter and comprehend the perfection of orchestrated life.

Simic Growth Chamber

Land

Simic Growth Chamber enters the battlefield tapped.

When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand.

: Add to your mana pool.

Shrine of the Forsaken Gods

Land

: Add to your mana pool.

: Add to your mana pool. Spend this mana only to cast colorless spells. Activate this ability only if you control seven or more lands.

The gods known to the merfolk as Ula, Emeria, and Cosi were nothing more than false memories of a monstrous trinity: the Eldrazi titans Ulamog, Emrakul, and Kozilek.

Shizo, Death's Storehouse

Legendary Land

: Add to your mana pool.

, : Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Centuries ago, Shizo was a verdant field of wildflowers. After 891 samurai died in a single battle on its grasses, it became a haunted moor.

Shivan Reef

Land

: Add to your mana pool.

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

Shivan Oasis

Land

Shivan Oasis enters the battlefield tapped.

: Add or to your mana pool.

Only the hardiest explorers survive to eat the fruit.

Shivan Gorge

Legendary Land

: Add to your mana pool.

, : Shivan Gorge deals 1 damage to each opponent.

Both forge and pyre.

Shinka, the Bloodsoaked Keep

Legendary Land

: Add to your mana pool.

, : Target legendary creature gains first strike until end of turn.

The glow from within looks inviting, but woe awaits whomever finds out who stokes the fire or what simmers in the pot.

Shimmering Grotto

Land

: Add to your mana pool.

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

"This is the price of being last in the food chain. We must keep our places of beauty hidden away instead of displayed for all to see."
-Hildin, priest of Avacyn

Sheltered Valley

Land

If Sheltered Valley would enter the battlefield, instead sacrifice each other permanent named Sheltered Valley you control, then put Sheltered Valley onto the battlefield.

At the beginning of your upkeep, if you control three or fewer lands, you gain 1 life.

: Add to your mana pool.

Shelldock Isle

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 a library has twenty or fewer cards in it.

Shambling Vent

Land

Shambling Vent enters the battlefield tapped.

: Add or to your mana pool.

: Shambling Vent becomes a 2/3 white and black Elemental creature with lifelink until end of turn. It's still a land.

Shadowblood Ridge

Land

, : Add to your mana pool.

The carnage of conflicts long past still stains the Otarian soil.