Siegecraft

Enchantment - Aura

Enchant creature

Enchanted creature gets +2/+4.

"They thought their fortress impregnable . . . until we marched up with ours, and blocked out the sun."
-Golran, dragonscale captain

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.)

Sightless Brawler

Enchantment Creature - Human Warrior

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Sightless Brawler can't attack alone.

Enchanted creature gets +3/+2 and can't attack alone.

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.

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.

Sign in Blood

Sorcery

Target player draws two cards and loses 2 life.

Little agonies pave the way to greater power.

Signal the Clans

Instant

Search your library for three creature cards and reveal them. If you reveal three cards with different names, choose one of them at random and put that card into your hand. Shuffle the rest into your library.

Gruul clanfolk obey few rules, but all feel bound to answer the call of the horn.

Silence

Instant

Your opponents can't cast spells this turn. (Spells cast before this resolves are unaffected.)

"Take a quiet moment to reflect on your sins."
-Cleph, Order of Redeemed Souls

Silence the Believers

Instant

Strive - Silence the Believers costs more to cast for each target beyond the first.

Exile any number of target creatures and all Auras attached to them.

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

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 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

Simic Charge

Simic Charm

Instant

Choose one - Target creature gets +3/+3 until end of turn; or permanents you control gain hexproof until end of turn; or return target creature to its owner's hand.

"We measure our progress in heartbeats."
-Prime Speaker Zegana

Simic Cluestone

Artifact

: Add or to your mana pool.

, , Sacrifice Simic Cluestone: Draw a card.

Simic symbols are among the most intricate and fragile, yet few vandalize them for fear of the strange lifeforms that might be released.

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.

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 Keyrune

Artifact

: Add or to your mana pool.

: Simic Keyrune becomes a 2/3 green and blue Crab artifact creature with hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

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.

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."

Singing Bell Strike

Enchantment - Aura

Enchant creature

When Singing Bell Strike enters the battlefield, tap enchanted creature.

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

Enchanted creature has ": Untap this creature."

Sinister Possession

Enchantment - Aura

Enchant creature

Whenever enchanted creature attacks or blocks, its controller loses 2 life.

"You caught something on a cold night's stroll? No, I'd say something caught you."
-Mezim Magrah, civic healer

Sip of Hemlock

Sorcery

Destroy target creature. Its controller loses 2 life.

Conspirators poisoned the oracle not because her visions were wrong, but because they were right.

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.

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.

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.

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 Song Lyre

Artifact - Equipment

Equipped creature has ", : Tap target creature."

Equip

A siren once tried to steal it out of jealousy but was caught by the song of its strings.

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

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.

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

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.

Skull Rend

Sorcery

Skull Rend deals 2 damage to each opponent. Those players each discard two cards at random.

"We could never accept anyone with a face that pretty or a mind that sane."
-Nyoser, Gore-House ringleader

Skullcrack

Instant

Players can't gain life this turn. Damage can't be prevented this turn. Skullcrack deals 3 damage to target player.

The lawmage's argument was clever and well reasoned, but Blunk's response proved irrefutable.

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

Skybind

Enchantment

Constellation - Whenever Skybind or another enchantment enters the battlefield under your control, exile target nonenchantment permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Skyblinder Staff

Artifact - Equipment

Equipped creature gets +1/+0 and can't be blocked by creatures with flying.

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

"If bats are the only thing between me and a mountain of Orzhov coins, then I'm about to be a very rich thief."

Skygames

Enchantment - Aura

Enchant land

Enchanted land has ": Target creature gains flying until end of turn. Activate this ability only any time you could cast a sorcery."

Both Boros and Azorius scout the games in hopes of recruiting the finest athletes.

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

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