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

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

Savage Lands enters the battlefield tapped.

: Add , , or .

(: Add or .)

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

: Add .

, , Sacrifice a Desert: Exile all graveyards.

: Add .

, : Add one mana of any color.

Scoured Barrens enters the battlefield tapped.

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

: Add or .

: Add .

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

: Add . ( represents colorless mana.)

, : Draw a card. Activate only if you have no cards in hand.

Sea of Clouds enters the battlefield tapped unless you have two or more opponents.

: Add or .

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.)

: Add .

: Add .

, , Sacrifice a Bird: Draw a card.

As Secluded Courtyard enters the battlefield, choose a creature type.

: Add .

: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type or activate an ability of a creature source of the chosen type.

Secluded Steppe enters the battlefield tapped.

: Add .

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

Secret Passage enters the battlefield tapped.

: Add or .

, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Sejiri Glacier enters the battlefield tapped.

: Add .

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 .

Selesnya Sanctuary enters the battlefield tapped.

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

: Add .

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

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

: Add .

, : Add .

(: Add or .)

Shadowy Backstreet enters the battlefield tapped.

When Shadowy Backstreet enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

: Add .

, Sacrifice Shattered Landscape: Search your library for a basic Mountain, Plains, or Swamp card, put it onto the battlefield tapped, then shuffle.

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

As Shatterskull, the Hammer Pass enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

: Add .

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Shelldock Isle enters the battlefield tapped.

: Add .

, : You may play the exiled card without paying its mana cost if a library has twenty or fewer cards in it.

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 .

Shifting Woodland enters the battlefield tapped unless you control a Forest.

: Add .

Delirium — : Shifting Woodland becomes a copy of target permanent card in your graveyard until end of turn. Activate only if there are four or more card types among cards in your graveyard.

: Add .

, : Add one mana of any color.

: Add .

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

: Add .

, , Sacrifice Shire Terrace: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Shivan Oasis enters the battlefield tapped.

: Add or .

: Add .

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

, Pay 1 life: Add or .

, , Sacrifice Silent Clearing: Draw a card.

Silverbluff Bridge enters the battlefield tapped.

Indestructible

: Add or .

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 .

: Add .

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

Skybridge Towers enters the battlefield tapped.

: Add or .

, , Sacrifice Skybridge Towers: Draw a card.

, : Add .

Skyshroud Forest enters the battlefield tapped.

: Add .

: Add or . Skyshroud Forest deals 1 damage to you.

: Add .

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

: Add .

Smoldering Crater enters the battlefield tapped.

: Add .

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

Smoldering Spires enters the battlefield tapped.

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

: Add .

: Add .

Soaring Seacliff enters the battlefield tapped.

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

: Add .

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 .

, : Scry 1.

As Soporific Springs enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

: Add .

Soured Springs enters the battlefield tapped.

When Soured Springs enters the battlefield, it deals 1 damage to target opponent.

: Add or .