When Sinister Concierge dies, you may exile it and put three time counters on it. If you do, exile up to one target creature and put three time counters on it. Each card exiled this way that doesn't have suspend gains suspend. (For each card with suspend, its owner removes a time counter from it at the beginning of their upkeep. When the last is removed, they may cast it without paying its mana cost. Those creature spells have haste.)

At the beginning of combat on your turn, each opponent loses 1 life and you gain 1 life.

, Pay 2 life, Sacrifice Sinister Monolith: Draw two cards. Activate only as a sorcery.

Conjure a duplicate of each of up to two target nontoken creatures you control into your hand.

: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Choose three target creature cards in your graveyard. Return two of them at random to the battlefield and put the other on the bottom of your library.

Sweep — Return any number of Swamps you control to their owner's hand. Target player discards a card for each Swamp returned this way.

Enchant creature

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

Enchanted creature has ", Put a -1/-1 counter on this creature: Untap this creature."

Until end of turn, you may cast target instant or sorcery card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Exile Sins of the Past.

When Sinuous Benthisaur enters, look at the top X cards of your library, where X is the number of Caves you control plus the number of Cave cards in your graveyard. Put two of those cards into your hand and the rest on the bottom of your library in a random order.

: Sinuous Striker gets +1/-1 until end of turn.

Eternalize—, Discard a card. (, Discard a card, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Snake Warrior with no mana cost. Eternalize only as a sorcery.)

When Siona, Captain of the Pyleas enters, look at the top seven cards of your library. You may reveal an Aura card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever an Aura you control becomes attached to a creature you control, create a 1/1 white Human Soldier creature token.

Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may play the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.

Flashback

At the beginning of each end step, each player discards their hand.

Flying

Whenever you cast a Spirit or Arcane spell, you may draw a card.

Flying

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

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

Raid — This spell costs less to cast if you attacked this turn.

Flying

Flying

, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

Exile target creature you control, then return that card to the battlefield under its owner's control. If a Pirate was exiled this way, draw a card.

Sisay, Weatherlight Captain gets +1/+1 for each color among other legendary permanents you control.

: Search your library for a legendary permanent card with mana value less than Sisay's power, put that card onto the battlefield, then shuffle.

: Add .

Flash

Psychic Abomination — When Sister of Silence enters, counter target instant spell, sorcery spell, activated ability, or triggered ability.

Sisterhood of Karn enters with a +1/+1 counter on it.

Paradox — Whenever you cast a spell from anywhere other than your hand, double the number of +1/+1 counters on Sisterhood of Karn.

: Add .

+1: Until your next turn, creatures can't attack you or planeswalkers you control unless their controller pays 2 life for each of those creatures.

−3: Search your library for a Dragon card, reveal it, put it into your hand, then shuffle.

−7: Destroy all non-Dragon creatures.

Sivitri, Dragon Master can be your commander.

If an opponent controls a Mountain and you control a Plains, you may cast this spell without paying its mana cost.

Prevent all damage that would be dealt this turn to creatures you control.

Reach

Whenever Six attacks, mill three cards. You may put a land card from among them into your hand.

During your turn, nonland permanent cards in your graveyard have retrace. (You may cast permanent cards from your graveyard by discarding a land card in addition to paying their other costs.)

Enchant creature

Enchanted creature has "Whenever this creature deals combat damage to a player, you may draw a card."

Sizzle deals 3 damage to each opponent.

Alliance — Whenever another creature you control enters, target creature an opponent controls can't block this turn. If this is the second time this ability has resolved this turn, that creature attacks during its controller's next combat phase if able.

As an additional cost to cast this spell, exile three creature cards from your graveyard.

Flying

You may cast Skaab Ruinator from your graveyard.

When Skalla Wolf enters, look at the top five cards of your library. You may reveal a green card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Trample

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

: Add .

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

Riot (This creature enters with your choice of a +1/+1 counter or haste.)

Flying

: Skarrgan Hellkite deals 2 damage divided as you choose among one or two targets. Activate only if Skarrgan Hellkite has a +1/+1 counter on it.

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters with three +1/+1 counters on it.)

, Sacrifice Skarrgan Skybreaker: It deals damage equal to its power to any target.

Changeling (This card is every creature type.)

: Regenerate Skeletal Changeling.

Enchant creature

Enchanted creature gets +1/+1 and has ": Regenerate this creature."

As an additional cost to cast this spell, exile X cards from your graveyard.

You draw X cards and you lose X life.

Each Skeleton you control has trample, attacks each combat if able, and gets +X/+0, where X is the number of other Skeletons you control.

At the beginning of your end step, create a tapped 1/1 black Skeleton creature token. If a creature died this turn, create two of those tokens instead.

: Regenerate Skeletal Wurm.

Each other creature you control that's a Skeleton or Pirate gets +1/+1.

Whenever one or more creature cards leave your graveyard, create a 2/2 black Skeleton Pirate creature token. (This ability triggers only from the battlefield.)

: Return Skeleton Crew from your graveyard to the battlefield tapped.

Skeleton Scavengers enters with a +1/+1 counter on it.

Pay for each +1/+1 counter on Skeleton Scavengers: Regenerate Skeleton Scavengers. When it regenerates this way, put a +1/+1 counter on it.

When you control no Islands, sacrifice Skeleton Ship.

: Put a -1/-1 counter on target creature.

Whenever another nontoken Elf or Berserker you control dies, you draw a card and you lose 1 life.

When Skemfar Shadowsage enters, choose one —

• Each opponent loses X life, where X is the greatest number of creatures you control that have a creature type in common.

• You gain X life, where X is the greatest number of creatures you control that have a creature type in common.

Spectacle (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)

Skewer the Critics deals 3 damage to any target.

When Skilled Animator enters, target artifact you control becomes an artifact creature with base power and toughness 5/5 for as long as Skilled Animator remains on the battlefield.

Enchant creature

Enchanted creature attacks each combat if able.

When enchanted creature dies, return Skin Invasion to the battlefield transformed under your control.

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

: Choose one. Activate only once each turn.

• Until end of turn, Skinshifter becomes a Rhino with base power and toughness 4/4 and gains trample.

• Until end of turn, Skinshifter becomes a Bird with base power and toughness 2/2 and gains flying.

• Until end of turn, Skinshifter becomes a Plant with base power and toughness 0/8.