Sluiceway Scorpion

Creature - Scorpion

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Sludge Crawler

Creature - Eldrazi Drone

Devoid (This card has no color.)

Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of his or her library.)

: Sludge Crawler gets +1/+1 until end of turn.

Sliver Hivelord

Legendary Creature - Sliver

Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.)

"This is the source, the line unbroken since the calamity that brought such monsters to our shores."
-Hastric, Thunian scout

Sliver Construct

Artifact Creature - Sliver Construct

Slivers destroy those who come close to the Skep, the central hive. Shards of torn metal litter the ground as a warning to any artificers inquisitive about the hive's inner workings.

Slitherhead

Creature - Plant Zombie

Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

"It makes better use of Uncle Dragi's head than he ever did."
-Pesha, retired blacksmith

Slaughterhorn

Creature - Beast

Bloodrush - , Discard Slaughterhorn: Target attacking creature gets +3/+2 until end of turn.

The Orzhov clergy would never cross its path, but sending thrull couriers to do so is cheap and entertaining.

Slaughter Drone

Creature - Eldrazi Drone

Devoid (This card has no color.)

{C}: Slaughter Drone gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it. {C} represents colorless mana.)

It kills what is, making way for what should not be.

Slate Street Ruffian

Creature - Human Warrior

Whenever Slate Street Ruffian becomes blocked, defending player discards a card.

"Merciless to the point of psychosis. Let's give him a job."
-Zelinas, Orzhov recruiter

Skyspear Cavalry

Creature - Human Soldier

Flying

Double strike (This creature deals both first-strike and regular combat damage.)

Pray her spear reaches you first. Her griffin is less kind.

Skyrider Elf

Creature - Elf Warrior Ally

Flying

Converge - Skyrider Elf enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.

"It may be unconventional, but I'll take any steady mount in a storm."

Skymark Roc

Creature - Bird

Flying

Whenever Skymark Roc attacks, you may return target creature defending player controls with toughness 2 or less to its owner's hand.

"Try not to look guilty. Or delicious."
-Thorpe, street urchin

Skyline Predator

Creature - Drake

Flash (You may cast this spell any time you could cast an instant.)

Flying

"It will dodge your first arrow and flatten you before there's a second."
-Alcarus, Selesnya archer

Skylasher

Creature - Insect

Flash

Skylasher can't be countered.

Reach, protection from blue

"It preys on those who would spy on our lands, so we never prey on it."
-Kroshkar, Gruul shaman

Skyknight Legionnaire

Creature - Human Knight

Flying, haste

"I do not know which gives me more pride: the legions of soldiers marching in thunderous lockstep, or the cry of the skyknights riding their rocs like jagged lightning overhead."
-Razia

Sky Scourer

Creature - Eldrazi Drone

Devoid (This card has no color.)

Flying

Whenever you cast a colorless spell, Sky Scourer gets +1/+0 until end of turn.

"The Eldrazi are nothing if not thorough."
-Jace Beleren

Skitterskin

Creature - Eldrazi Drone

Devoid (This card has no color.)

Skitterskin can't block.

: Regenerate Skitterskin. Activate this ability only if you control another colorless creature.

Skinbrand Goblin

Creature - Goblin Warrior

Bloodrush - , Discard Skinbrand Goblin: Target attacking creature gets +2/+1 until end of turn.

"These Gruul skin-runes-discern whether their patterns evoke streets, leylines, or both. You have four days."
-Niv-Mizzet, to his assistant

Skarrg Guildmage

Creature - Human Shaman

: Creatures you control gain trample until end of turn.

: Target land you control becomes a 4/4 Elemental creature until end of turn. It's still a land.

Skarrg Goliath

Creature - Beast

Trample

Bloodrush - , Discard Skarrg Goliath: Target attacking creature gets +9/+9 and gains trample until end of turn.

"They bind us with their laws. We free ourselves with nature's fist."
-Nikya of the Old Ways

Siren of the Silent Song

Creature - Zombie Siren

Flying

Inspired - Whenever Siren of the Silent Song becomes untapped, each opponent discards a card, then puts the top card of his or her library into his or her graveyard.

Siren of the Fanged Coast

Creature - Siren

Flying

Tribute 3 (As this creature enters the battlefield, an opponent of your choice may place three +1/+1 counters on it.)

When Siren of the Fanged Coast enters the battlefield, if tribute wasn't paid, gain control of target creature.

Sire of Stagnation

Creature - Eldrazi

Devoid (This card has no color.)

Whenever a land enters the battlefield under an opponent's control, that player exiles the top two cards of his or her library and you draw two cards.

As the great scourge passed by, Zendikar shivered, then lay silent.

Sire of Insanity

Creature - Demon

At the beginning of each end step, each player discards his or her hand.

Its victims become mindless lunatics. Conveniently, that's the first step in joining the Cult of Rakdos.

Sin Collector

Creature - Human Cleric

When Sin Collector enters the battlefield, target opponent reveals his or her hand. You choose an instant or sorcery card from it and exile that card.

"That must weigh heavily on your soul. Let me purge it for you."

Simic Manipulator

Creature - Mutant Wizard

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

, Remove one or more +1/+1 counters from Simic Manipulator: Gain control of target creature with power less than or equal to the number of +1/+1 counters removed this way.

Simic Fluxmage

Creature - Merfolk Wizard

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

, : Move a +1/+1 counter from Simic Fluxmage onto target creature.

Silent Skimmer

Creature - Eldrazi Drone

Devoid (This card has no color.)

Flying

Whenever Silent Skimmer attacks, defending player loses 2 life.

"I watched it pass at a distance. When I looked back to my companions, Najet was dead."-Akiri, kor line-slinger

Silent Sentinel

Creature - Archon

Flying

Whenever Silent Sentinel attacks, you may return target enchantment card from your graveyard to the battlefield.

It serves a justice higher than the whims of the gods.

Silent Artisan

Creature - Giant

On the fourth day they passed through a forest of immense stacked stones. Althemone, youngest of the companions, called these pillars the work of a god, but the Champion knew better. She quickened her pace.
-The Theriad

Sigiled Starfish

Creature - Starfish

: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Kruphix hid the most dire prophecies about humankind where humans would never find them and tritons wouldn't care to read them.

Sigiled Skink

Creature - Lizard

Whenever Sigiled Skink attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

The runes seem to come alive as it moves, rippling like slow flames across its scales.

Sifter of Skulls

Creature - Eldrazi

Devoid (This card has no color.)

Whenever another nontoken creature you control dies, put a 1/1 colorless Eldrazi Scion creature token onto the battlefield. It has "Sacrifice this creature: Add {C} to your mana pool." ({C} represents colorless mana.)

Siege Wurm

Creature - Wurm

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Trample (If this creature would assign enough damage to its blockers to destroy them, you may have it assign the rest of its damage to defending player or planeswalker.)

The Rubblefield was once among the wealthiest districts in Ravnica. All it took was a single wurm to reduce it to ruins.

Siege Rhino

Creature - Rhino

Trample

When Siege Rhino enters the battlefield, each opponent loses 3 life and you gain 3 life.

The mere approach of an Abzan war beast is enough to send enemies fleeing in panic.

Siege Mastodon

Creature - Elephant

"The walls of the wicked will fall before us. Ready the siege engines. We proceed to war!"
-General Avitora

Siege Dragon

Creature - Dragon

Flying

When Siege Dragon enters the battlefield, destroy all Walls your opponents control.

Whenever Siege Dragon attacks, if defending player controls no Walls, it deals 2 damage to each creature without flying that player controls.

Sidisi, Brood Tyrant

Legendary Creature - Naga Shaman

Whenever Sidisi, Brood Tyrant enters the battlefield or attacks, put the top three cards of your library into your graveyard.

Whenever one or more creature cards are put into your graveyard from your library, put a 2/2 black Zombie creature token onto the battlefield.

Sidisi's Pet

Creature - Zombie Ape

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

The Sultai distinguish between pet and slave by the material of the chain.

Shrike Harpy

Creature - Harpy

Flying

Tribute 2 (As this creature enters the battlefield, an opponent of your choice may place two +1/+1 counters on it.)

When Shrike Harpy enters the battlefield, if tribute wasn't paid, target opponent sacrifices a creature.

Shivan Dragon

Creature - Dragon

Flying

: Shivan Dragon gets +1/+0 until end of turn.

The undisputed master of the mountains of Shiv.