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.

Whenever another artifact you control enters or leaves the battlefield, you may pay . If you do, target player loses 1 life and you gain 1 life.

Slurrk, All-Ingesting enters with five +1/+1 counters on it.

Whenever Slurrk or another creature you control dies, if it had a +1/+1 counter on it, put a +1/+1 counter on each creature you control that has a +1/+1 counter on it.

Partner (You can have two commanders if both have partner.)

Whenever Sly Spy deals combat damage to a player, that player reveals their hand. You choose a card from it with the longest name. That player discards that card.

Whenever Sly Spy deals combat damage to a player, that player loses a finger until Sly Spy leaves the battlefield. (The finger is chosen by its owner and can't roll dice or touch cards.)

Whenever Sly Spy deals combat damage to a player, that player reveals the top card of their library. Put that card into your hand and you lose life equal to its mana value.

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

Whenever you cast an instant or sorcery spell, target creature an opponent controls can't block this turn.

Flying

Creatures with flying your opponents control get -1/-1.

Flash

All creatures have shroud. (They can't be the targets of spells or abilities.)

At the beginning of your upkeep, sacrifice Smoke Bomb. When you do, target creature you control can't be blocked this turn.

At the beginning of your upkeep, target player loses 1 life.

Sacrifice Smoldering Tar: It deals 4 damage to target creature. Activate only as a sorcery.

Destroy target creature with mana value 3 or less. It can't be regenerated.

You may discard a Forest card rather than pay this spell's mana cost.

Prevent all combat damage that would be dealt by unblocked creatures this turn.

Whenever an opponent casts a blue or black spell, you may create a 1/1 green Snake creature token.

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.)

Whenever Snapping Thragg deals combat damage to a player, you may have it deal 3 damage to target creature that player controls.

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

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

Draw two cards, then discard a card.

, : Return Snow Hound and target green or blue creature you control to their owner's hand.

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.

Destroy target nonblack creature. It can't be regenerated.

: Uninstall all results from Socketed Sprocketer, then roll a six-sided die. Install the result on Socketed Sprocketer. (Put the die on this card.)

You may uninstall a result from Socketed Sprocketer to use it for a die you rolled.

Uninstall a 6 from Socketed Sprocketer: Draw a card.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

At the beginning of your upkeep, if a player has more cards in hand than each other player, the player who has the most cards in hand gains control of Sokenzan Renegade.

As Sol Grail enters, choose a color.

: Add one mana of the chosen color.

Solar Transformer enters tapped.

When Solar Transformer enters, you get (three energy counters).

: Add .

, Pay : Add one mana of any color.

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.

, Sacrifice two lands: Draw three cards, then discard one of them.

, : Target player shuffles their library.

Destroy target artifact or enchantment. You gain 4 life.

When Solitary Sanctuary enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Whenever you tap an untapped creature an opponent controls, put a +1/+1 counter on target creature you control.

Shadow (This creature can block or be blocked by only creatures with shadow.)

: Soltari Crusader gets +1/+0 until end of turn.

Protection from red

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever a creature you control becomes blocked, it gets +1/+1 until end of turn.

: Target creature you control gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

When Somberwald Stag enters, you may have it fight target creature you don't control.

Creatures that are enchanted can't attack or block.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

: Prevent all combat damage that would be dealt this turn by target attacking creature with flying.

: Add one mana of any color.

, : Untap another target artifact.

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

, : Target creature can't be blocked this turn.

Trample, haste

Battalion — Whenever Sontaran General and at least two other creatures attack, for each opponent, goad up to one target creature that player controls. Those creatures can't block this turn. (Until your next turn, they attack each combat if able and attack a player other than you if able.)

: Shuffle your library.

: Look at the top X cards of your library, then put them back in any order.

As Soporific Springs enters, you may pay 3 life. If you don't, it enters tapped.

: Add .

Flying

, Return a land you control to its owner's hand: Target player mills two cards.

Flying

, Return a land you control to its owner's hand: Counter target spell unless its controller pays .

Whenever you sacrifice another permanent, you may pay . If you do, create a token that's a copy of Sorcerer's Broom.

Equipped creature has ": This creature deals 1 damage to target player or planeswalker. If this creature is a Wizard, it deals 2 damage instead."

Equip

As Sorcerous Spyglass enters, look at an opponent's hand, then choose any card name.

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Other Snake creatures you control get +1/+0.

Whenever a Warrior you control deals combat damage to a creature, destroy that creature at end of combat.

Whenever an opponent casts a creature spell, Soul Barrier deals 2 damage to that player unless they pay .

As an additional cost to cast this spell, exile a creature you control.

Return target creature card from your graveyard to the battlefield. Put a +2/+2 counter on that creature if the exiled creature was a Thrull.

Enchant creature

, Pay 1 life: Enchanted creature gets +2/+2 until end of turn. Activate no more than three times each turn.

Whenever a creature dies, you may pay . If you do, you gain 1 life.