Vanishing 1 (This creature enters the battlefield with a time counter on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Whenever another creature enters the battlefield under your control, put a time counter on Soultether Golem.

Spare Supplies enters the battlefield tapped.

When Spare Supplies enters the battlefield, draw a card.

, , Sacrifice Spare Supplies: Draw a card.

When Spark Fiend enters the battlefield, roll two six-sided dice. If you rolled 2, 3, or 12, sacrifice Spark Fiend. If you rolled 7 or 11, don't roll dice for Spark Fiend during any of your following upkeeps. If you rolled any other total, note that total.

At the beginning of your upkeep, roll two six-sided dice. If you rolled 7, sacrifice Spark Fiend. If you roll the noted total, don't roll dice for Spark Fiend during any of your following upkeeps. Otherwise, do nothing.

, Sacrifice a creature or planeswalker: You gain 1 life and draw a card.

, , Discard a card: Create a 3/1 red Elemental creature token named Spark Elemental. It has trample, haste, and "At the beginning of the end step, sacrifice Spark Elemental."

At the beginning of your end step, return up to one target Eldrazi creature card from your graveyard to your hand. Create two 1/1 colorless Eldrazi Scion creature tokens with "Sacrifice this creature: Add ."

: Add .

, , Sacrifice Spawning Bed: Create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add ."

Sacrifice a creature: Put a charge counter on Spawning Pit.

, Remove two charge counters from Spawning Pit: Create a 2/2 colorless Spawn artifact creature token.

Enchant creature

Enchanted creature doesn't untap during its controller's untap step.

When enchanted creature becomes the target of a spell, sacrifice Spectral Prison.

Whenever Spellbinding Soprano attacks, instant and sorcery spells you cast this turn cost less to cast.

Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

, , Sacrifice Spellkeeper Weird: Return target instant or sorcery card from your graveyard to your hand.

, , Sacrifice a white creature, a blue creature, and a black creature: Search your library for a card named Sphinx Sovereign, put it onto the battlefield, then shuffle.

Destroy up to one target artifact, enchantment, or creature with flying. Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Equipped creature gets +3/+3.

Whenever equipped creature attacks, you may sacrifice a Forest. If you do, that creature gains trample until end of turn.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Flying

Sacrifice Spiketail Drakeling: Counter target spell unless its controller pays .

Cast this spell only during combat.

Untap target creature you don't control and gain control of it. It gains haste until end of turn. At the beginning of the next end step, sacrifice it. If you do, you gain life equal to its toughness.

When Spined Fluke enters the battlefield, sacrifice a creature.

: Regenerate Spined Fluke.

At the beginning of your end step, choose target permanent card in your graveyard. You may sacrifice a permanent that shares a card type with the chosen card. If you do, return the chosen card from your graveyard to the battlefield and it gains "If this permanent would leave the battlefield, exile it instead of putting it anywhere else."

When Spitebellows leaves the battlefield, it deals 6 damage to target creature.

Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

: Splintering Wind deals 1 damage to target creature. Create a 1/1 green Splinter creature token. It has flying and "Cumulative upkeep ." When it leaves the battlefield, it deals 1 damage to you and each creature you control. (At the beginning of its controller's upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it.)

As an additional cost to cast this spell, sacrifice a creature.

Spontaneous Combustion deals 3 damage to each creature.

When Springbloom Druid enters the battlefield, you may sacrifice a land. If you do, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Flash

, , Sacrifice Springjaw Trap: It deals 3 damage to any target.

Flying

When Spyglass Siren enters the battlefield, create a Map token. (It's an artifact with ", , Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

When Squealing Devil enters the battlefield, you may pay . If you do, target creature gets +X/+0 until end of turn.

When Squealing Devil enters the battlefield, sacrifice it unless was spent to cast it.

Visit — You have five seconds to stack dice on top of one another. If you stack at least five dice, claim the prize

Prize — Create a 1/1 green Squirrel creature token for each die you stacked above the fourth, then sacrifice Squirrel Stack and open an Attraction.

Lights — 2, 4, 6

Visit — You have five seconds to stack dice on top of one another. If you stack at least five dice, claim the prize

Prize — Create a 1/1 green Squirrel creature token for each die you stacked above the fourth, then sacrifice Squirrel Stack and open an Attraction.

Lights — 3, 4, 6

Visit — You have five seconds to stack dice on top of one another. If you stack at least five dice, claim the prize

Prize — Create a 1/1 green Squirrel creature token for each die you stacked above the fourth, then sacrifice Squirrel Stack and open an Attraction.

Lights — 4, 5, 6

Menace

At the beginning of your end step, if you descended this turn, put a +1/+1 counter on Stalactite Stalker. (You descended if a permanent card was put into your graveyard from anywhere.)

, Sacrifice Stalactite Stalker: Target creature gets -X/-X until end of turn, where X is Stalactite Stalker's power.

When a player casts a spell, sacrifice Standstill. If you do, each of that player's opponents draws three cards.

Whenever Stangg, Echo Warrior attacks, create Stangg Twin, a legendary 3/4 red and green Human Warrior creature token. It enters the battlefield tapped and attacking. For each Aura and Equipment attached to Stangg, create a token that's a copy of it attached to Stangg Twin. Sacrifice all tokens created this way at the beginning of the next end step.

Create two 1/1 white Warrior creature tokens with vigilance.

, Sacrifice a creature: You gain 1 life.

When Static Prison enters the battlefield, exile target nonland permanent an opponent controls until Static Prison leaves the battlefield. You get (two energy counters).

At the beginning of your precombat main phase, sacrifice Static Prison unless you pay .

Flying

At the beginning of the end step, if you control no Goblins, sacrifice Stenchskipper.

Other enchantments you control have shroud. (They can't be the targets of spells or abilities.)

, Sacrifice Sterling Grove: Search your library for an enchantment card, reveal it, then shuffle and put that card on top.

Each player chooses a party from among creatures they control, then sacrifices the rest. (To choose a party, choose up to one each of Cleric, Rogue, Warrior, and Wizard.)

When Stimulus Package enters the battlefield, create two Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

Sacrifice a Treasure: Create a 1/1 green and white Citizen creature token.

Flying

Stirge can't block.

Blood Drain — , Pay 1 life, Sacrifice Stirge: Draw a card.

, : Create a 2/2 blue Homunculus creature token, then sacrifice a creature.

Defender (This creature can't attack.)

Flying

When Stoic Ephemera blocks, sacrifice it at end of combat.

At the beginning of each player's end step, that player sacrifices an untapped land.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

Stonesplitter Bolt deals X damage to target creature or planeswalker. If this spell was bargained, it deals twice X damage to that permanent instead.

Flying

Parley — Whenever Storm Fleet Negotiator attacks, each player reveals the top card of their library. For each nonland card revealed this way, you create a Map token. Then each player draws a card. (A Map token is an artifact with ", , Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

Sacrifice Stormcaller's Boon: Creatures you control gain flying until end of turn.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Flying

Sacrifice a land: Return Stormwatch Eagle to its owner's hand.

Enchant creature or planeswalker an opponent controls

At the beginning of your upkeep, enchanted permanent's controller sacrifices a nonland permanent, then that player loses 1 life.

Vigilance, trample

Grenades — , , Sacrifice an artifact: Choose a player at random. When you do, Strax fights another target creature that player controls.

Glory of Battle — Whenever Strax deals damage to a creature, put a +1/+1 counter on Strax.

Flying

At the beginning of your end step, create a Blood token for each player who lost life this turn.

Whenever Strefan attacks, you may sacrifice two Blood tokens. If you do, you may put a Vampire card from your hand onto the battlefield tapped and attacking. It gains indestructible until end of turn.

: Add .

, Sacrifice Strip Mine: Destroy target land.