Prowess

If a source you control would deal noncombat damage to a creature an opponent controls, put that many -1/-1 counters on that creature instead.

First strike

Soulsurge Elemental's power is equal to the number of creatures you control.

Soured Springs enters tapped.

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

: Add or .

Target player loses 3 life and you gain 3 life.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Whenever a creature you control attacks alone, you may search your library for an Aura card that could enchant that creature, put it onto the battlefield attached to that creature, then shuffle.

Exile target nonbasic land. Search its controller's graveyard, hand, and library for all cards with the same name as that land and exile them. Then that player shuffles.

When Spara's Bodyguard enters the battlefield, you may choose a creature card in your hand. If you do, it perpetually gains "This creature enters the battlefield with an additional shield counter on it." Otherwise, put a shield counter on Spara's Bodyguard. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

At the beginning of each combat, Spara's Bodyguard gets +1/+1 until end of turn for each shield counter among other creatures you control.

Whenever Spark Mage deals combat damage to a player, you may have Spark Mage deal 1 damage to target creature that player controls.

Sparkmage's Gambit deals 1 damage to each of up to two target creatures. Those creatures can't block this turn.

Equipped creature has first strike.

: Attach Sparring Collar to target creature you control.

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

Whenever Sparring Golem becomes blocked, it gets +1/+1 until end of turn for each creature blocking it.

When Sparring Regimen enters, learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Whenever you attack, put a +1/+1 counter on target attacking creature and untap it.

, , Sacrifice Spatula of the Ages: You may put a silver-bordered or acorn permanent card from your hand onto the battlefield.

Devoid (This card has no color.)

When you cast this spell, create three 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this creature: Add ."

, Sacrifice an Eldrazi: Spawn-Gang Commander deals 2 damage to any target.

Spawning Breath deals 1 damage to any target. Create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add ."

Whenever a Kraken, Leviathan, Octopus, or Serpent you control deals combat damage to a player, create a 9/9 blue Kraken creature token.

Spawning Pool enters tapped.

: Add .

: 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, instead tap it, remove it from combat, and heal all damage on it.)

At the beginning of your upkeep, return a creature you control to its owner's hand.

Spectator Seating enters tapped unless you have two or more opponents.

: Add or .

Return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)

As long as Spectral Gateguards is paired with another creature, both creatures have vigilance.

As long as Spectral Guardian is untapped, noncreature artifacts have shroud. (They can't be the targets of spells or abilities.)

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.)

When Spellgorger Barbarian enters, discard a card at random.

When Spellgorger Barbarian leaves the battlefield, draw a card.

Choose one —

• Counter target spell.

• Surveil 2, then draw two cards. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

When Spelunking enters, draw a card, then you may put a land card from your hand onto the battlefield. If you put a Cave onto the battlefield this way, you gain 4 life.

Lands you control enter untapped.

Flying

When Sphinx of Enlightenment enters, target opponent draws a card and you draw three cards.

Flying

: Draw a card, then put a +1/+1 counter on Sphinx of Magosi.

Flying

At the beginning of your end step, you gain 3 life if Sphinx Sovereign is untapped. Otherwise, each opponent loses 3 life.

Whenever you draw a card, target opponent mills two cards. If two nonland cards that share a color were milled this way, repeat this process.

: Draw a card, then discard a card.

When Spiderwig Boggart enters, target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Spike Rogue enters with two +1/+1 counters on it.

, Remove a +1/+1 counter from Spike Rogue: Put a +1/+1 counter on target creature.

, Remove a +1/+1 counter from a creature you control: Put a +1/+1 counter on Spike Rogue.

, : Spikeshot Goblin deals damage equal to its power to any target.

Flying (This creature can't be blocked except by creatures with flying or reach.)

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

Enchant creature

Enchanted creature gets +3/+3.

When enchanted creature becomes the target of a spell or ability, destroy that creature. It can't be regenerated.

Spineless Thug can't block.

: Add one mana of any color.

, : Tap target creature.

Metalcraft — Spiraling Duelist has double strike as long as you control three or more artifacts.

Spire Barrage deals damage to any target equal to the number of Mountains you control.

Affinity for Islands (This spell costs less to cast for each Island you control.)

Flying

When Spirit of the Aldergard enters, search your library for a snow land card, reveal it, put it into your hand, then shuffle.

Spirit of the Aldergard gets +1/+0 for each other snow permanent you control.

Create a 3/2 red and white Spirit creature token.

When Spiritual Guardian enters, you gain 4 life.

When Spiteful Hexmage enters, create a Cursed Role token attached to target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature is 1/1.)

Whenever Spitting Dilophosaurus enters or attacks, put a -1/-1 counter on up to one target creature.

Creatures your opponents control with -1/-1 counters on them can't block.

Spitting Earth deals damage to target creature equal to the number of Mountains you control.

Spitting Hydra enters with four +1/+1 counters on it.

, Remove a +1/+1 counter from Spitting Hydra: It deals 1 damage to target creature.

All Sliver creatures have first strike.

Reach (This creature can block creatures with flying.)

Sacrifice a land: Spitting Spider deals 1 damage to each creature with flying.

First strike

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)