Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Silhana Ledgewalker can't be blocked except by creatures with flying.

When Silt Crawler enters, tap all lands you control.

Creature spells you cast have demonstrate. (Whenever you cast a creature spell, you may copy it. If you do, choose an opponent to also copy it. Each copy becomes a token.)

As Silverquill Silencer enters, choose a nonland card name.

Whenever an opponent casts a spell with the chosen name, they lose 3 life and you draw a card.

Discard a land card: Simian Brawler gets +1/+1 until end of turn.

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

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

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.

Medicus Ministorum — When Sister Hospitaller enters, return target creature card from your graveyard to the battlefield. You gain life equal to its mana value.

Sizzle deals 3 damage to each opponent.

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.

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.

, Sacrifice another creature or an enchantment: Skophos Warleader gets +1/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)

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

: Regenerate Skull Collector.

This spell costs less to cast for each enchantment you control.

Flying

Flying, vigilance (This creature can't be blocked except by creatures with flying or reach, and attacking doesn't cause this creature to tap.)

Flying

When Skymarch Bloodletter enters, target opponent loses 1 life and you gain 1 life.

Destroy target creature with power 3 or greater. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Tap target creature. It doesn't untap during its controller's next untap step.

Escape—, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Enchant creature

When Sleep with the Fishes enters, tap enchanted creature and you create a 1/1 blue Fish creature token with "This creature can't be blocked."

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

When Sleeper Agent enters, target opponent gains control of it.

At the beginning of your upkeep, Sleeper Agent deals 2 damage to you.

Enchant creature

Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

When Sleeper's Guile is put into a graveyard from the battlefield, return Sleeper's Guile to its owner's hand.

Enchant creature

When Sleeping Potion enters, tap enchanted creature.

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

When enchanted creature becomes the target of a spell or ability, sacrifice Sleeping Potion.

Change the text of target spell or permanent by replacing all instances of one color word with another. <I>(For example, you may change "target black spell" to "target blue spell." This effect lasts indefinitely.)</I>

At the beginning of combat on your turn, target creature you control with power 2 or less gets +1/+0 and gains deathtouch until end of turn.

Whenever Slith Bloodletter deals combat damage to a player, put a +1/+1 counter on it.

: Regenerate Slith Bloodletter.

Jolly Gutpipes — , , Sacrifice a creature: The next creature spell you cast this turn has cascade. (When you next cast a creature 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.)

Smite the Deathless deals 3 damage to target creature. That creature loses indestructible until end of turn. If that creature would die this turn, exile it instead.

: Look at target face-down creature.

Hideaway 4 (When this artifact enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Whenever Smuggler's Buggy deals combat damage to a player, you may cast the exiled card without paying its mana cost. If you do, return Smuggler's Buggy to its owner's hand.

Crew 2

At the beginning of each end step, draw a card for each opponent who drew two or more cards this turn, then create a Treasure token for each opponent who had two or more lands enter the battlefield under their control this turn.

(: Add or .)

Snowfield Sinkhole enters tapped.

Soldevi Golem doesn't untap during your untap step.

At the beginning of your upkeep, you may untap target tapped creature an opponent controls. If you do, untap Soldevi Golem.

Flying

Each creature card in your graveyard that's a Cleric, Rogue, Warrior, and/or Wizard has unearth . (: Return the card to the battlefield. The creature gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Double strike

Revolt — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on Solemn Recruit.

Players can't get counters.

Counters can't be put on artifacts, creatures, enchantments, or lands.

Haste

: Target black or red creature gains haste until end of turn.

+1: Until your next turn, creatures you control get +1/+0 and gain lifelink.

−2: Create a 2/2 black Vampire creature token with flying.

−6: You get an emblem with "At the beginning of each opponent's upkeep, that player sacrifices a creature."

Flying

Whenever a creature dealt damage by Soul Collector this turn dies, return that card to the battlefield under your control.

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

Permanent cards in graveyards can't enter the battlefield.

Players can't cast noncreature spells from graveyards or exile.

Return target creature card from your graveyard to your hand.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)