Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

Slippery Karst enters tapped.

: Add .

Cycling (, Discard this card: Draw a card.)

Slipstream Serpent can't attack unless defending player controls an Island.

When you control no Islands, sacrifice Slipstream Serpent.

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

Haste

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

Slither Blade can't be blocked.

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.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

When Slithery Stalker enters, exile target green or white creature an opponent controls.

When Slithery Stalker leaves the battlefield, return the exiled card to the battlefield under its owner's control.

The "legend rule" doesn't apply to Slivers you control.

Each Sliver creature card in your graveyard has encore , where X is its mana value.

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.)

Sacrifice an artifact: Target artifact gains indestructible until end of turn.

Devoid (This card has no color.)

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

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

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.)

Flying

Slumbering Dragon can't attack or block unless it has five or more +1/+1 counters on it.

Whenever a creature attacks you or a planeswalker you control, put a +1/+1 counter on Slumbering Dragon.

, Discard a Spirit or Arcane card: Slumbering Tora becomes an X/X Cat artifact creature until end of turn, where X is the discarded card's mana value.

, : Until your next turn, target creature an opponent controls can't be blocked. Goad that creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Each player loses 1 life, discards a card, sacrifices a creature, then sacrifices a land.

Destroy target artifact.

Draw a card.

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

At the beginning of your end step, if a creature died under your control this turn, the Ring tempts you.

Whenever the Ring tempts you, target opponent reveals cards from the top of their library until they reveal a land card. Put that card onto the battlefield tapped under your control and the rest into their graveyard.

Destroy target artifact.

//

Herd

Sorcery

Create three 2/2 green Elk creature tokens.

//

Saw

Sorcery

Destroy target creature. Its controller creates two 1/2 red Half creature tokens.

, , Sacrifice another artifact: Reveal the top eight cards of your library. Put up to two noncreature artifact cards with total mana value less than or equal to the sacrificed artifact's mana value from among them onto the battlefield and the rest on the bottom of your library in a random order.

, Sacrifice Smelt-Ward Ignus: Gain control of target creature with power 3 or less until end of turn. Untap that creature. It gains haste until end of turn. Activate only as a sorcery.

Flash

Flying

When Smirking Spelljacker enters, exile target spell an opponent controls.

Whenever Smirking Spelljacker attacks, if a card is exiled with it, you may cast the exiled card without paying its mana cost.

Lifelink

For each of up to X target creatures, create a red Aura enchantment token named Smoke Blessing attached to that creature. Those tokens have enchant creature and "When enchanted creature dies, it deals 1 damage to its controller and you create a Treasure token."

At the beginning of your upkeep, you may put a soot counter on Smokestack.

At the beginning of each player's upkeep, that player sacrifices a permanent for each soot counter on Smokestack.

Smoldering Crater enters tapped.

: Add .

Cycling (, Discard this card: Draw a card.)

Smoldering Stagecoach's power is equal to the number of instant and sorcery cards in your graveyard.

Whenever Smoldering Stagecoach attacks, the next instant spell and the next sorcery spell you cast this turn each have cascade.

Crew 2

Devoid (This card has no color.)

Flying

At the beginning of your upkeep, sacrifice a creature.

Whenever you sacrifice a creature, draw a card.

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.

, Sacrifice Snake Basket: Create X 1/1 green Snake creature tokens. Activate only as a sorcery.

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

When Snake of the Golden Grove enters, if tribute wasn't paid, you gain 4 life.

Enchant creature

Enchanted creature gets +1/+1 and has "Whenever this creature deals damage to an opponent, you may draw a card."

Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

You may exile a blue card from your hand rather than pay this spell's mana cost.

Return target creature to its owner's hand.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Double strike

Whenever this creature mutates, it deals 4 damage to target creature or planeswalker an opponent controls and you gain 4 life.

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

Flash

Enrage — Whenever Snapping Sailback is dealt damage, put a +1/+1 counter on it. (It must survive the damage to get the counter.)

Devoid (This card has no color.)

: Add .

, : Draw a card.

Whenever you cycle a card, tap target creature an opponent controls.

Flying, haste

Reach

Whenever Snarespinner blocks a creature with flying, Snarespinner gets +2/+0 until end of turn.

: Target Beast creature gets +1/+1 until end of turn.

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

: Snarling Wolf gets +2/+2 until end of turn. Activate only once each turn.

: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

Sneaky Homunculus can't block or be blocked by creatures with power 2 or greater.

Whenever Snorting Gahr becomes blocked, it gets +2/+2 until end of turn.

Conjure a duplicate of each of X target nontoken permanents into your hand. Those cards perpetually gain "You may spend mana as though it were mana of any color to cast this spell." If X is 5 or more, you may put one of them from your hand onto the battlefield.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Whenever an Island is tapped for mana, its controller may add an additional . If that Island is snow, its controller may add an additional instead. Spend this mana only to pay cumulative upkeep costs.