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.

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.

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.

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.

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.

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

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.

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 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.