Choose one —

• Until end of turn, whenever a creature is dealt damage, destroy it.

• Until end of turn, whenever a creature dies, that creature's controller loses life equal to its toughness.

Entwine (Choose both if you pay the entwine cost.)

As an additional cost to cast this spell, discard X cards.

Sickening Dreams deals X damage to each creature and each player.

Eminence — Whenever you attack with one or more Knights, if Sidar Jabari of Zhalfir is in the command zone or on the battlefield, draw a card, then discard a card.

Flying, first strike

Whenever Sidar Jabari deals combat damage to a player, return target Knight creature card from your graveyard to the battlefield.

Flying

When Siege Dragon enters, destroy all Walls your opponents control.

Whenever Siege Dragon attacks, if defending player controls no Walls, it deals 2 damage to each creature without flying that player controls.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

: Target creature can't block this turn.

Lieutenant — At the beginning of combat on your turn, if you control your commander, create two 1/1 red Goblin creature tokens. Those tokens gain haste until end of turn.

, Sacrifice a Goblin: Siege-Gang Lieutenant deals 1 damage to any target.

The Nuka-Cola Challenge — Whenever one or more creatures you control deal combat damage to a player, put a quest counter on Sierra, Nuka's Biggest Fan and create a Food token.

Whenever you sacrifice a Food, target creature you control gets +X/+X until end of turn, where X is the number of quest counters on Sierra.

Sigiled Contender has lifelink as long as it has a +1/+1 counter on it. (Damage dealt by this creature also causes you to gain that much life.)

Deathtouch

Whenever Silas Renn, Seeker Adept deals combat damage to a player, choose target artifact card in your graveyard. You may cast that card this turn.

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

Silent Hallcreeper can't be blocked.

Whenever Silent Hallcreeper deals combat damage to a player, choose one that hasn't been chosen —

• Put two +1/+1 counters on Silent Hallcreeper.

• Draw a card.

• Silent Hallcreeper becomes a copy of another target creature you control.

Whenever Silent Submersible deals combat damage to a player or planeswalker, draw a card.

Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

Choose target creature. If a spell or ability that targets that creature would cause a source to deal damage to that creature this turn, prevent that damage.

, , Sacrifice Silver Bolt: It deals 3 damage to target creature. If a Werewolf is dealt damage this way, destroy it.

Whenever Silverpelt Werewolf deals combat damage to a player, draw a card.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Silverpelt Werewolf.

Graft 3 (This creature enters with three +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)

: Until end of turn, target creature with a +1/+1 counter on it gains "Whenever this creature deals combat damage to a creature, destroy that creature at end of combat."

You gain life equal to the damage dealt to you this turn. Simulacrum deals damage to target creature you control equal to the damage dealt to you this turn.

Singe deals 1 damage to target creature. That creature becomes black until end of turn.

Enchant creature

Enchanted creature has ": This creature deals damage equal to its power to target attacking or blocking creature."

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost.

All damage that would be dealt to target creature this turn is dealt to you instead.

Enchant creature

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

Sizzling Barrage deals 4 damage to target creature that blocked this 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.

Equipped creature has skulk. (It can't be blocked by creatures with greater power.)

Whenever equipped creature deals combat damage to a player, you may draw a card. If you do, discard a card.

Equip

Reach

Whenever Skewer Slinger blocks or becomes blocked by a creature, Skewer Slinger deals 1 damage to that creature.

Whenever Skirk Commando deals combat damage to a player, you may have it deal 2 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.)

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

When Skirk Marauder is turned face up, it deals 2 damage to any target.

, , Sacrifice a creature: Skirsdag Cultist deals 2 damage to any target.

When Skoa, Embermage enters, it deals 4 damage to any target.

Grandeur — Discard another card named Skoa, Embermage, Sacrifice two Mountains: Skoa deals 4 damage to any target.

Skred deals damage to target creature equal to the number of snow permanents you control.

, , Sacrifice a creature: Skull Catapult deals 2 damage to any target.

Haste

Whenever Skullbriar, the Walking Grave deals combat damage to a player, put a +1/+1 counter on it.

Counters remain on Skullbriar as it moves to any zone other than a player's hand or library.

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

Target player discards two cards at random unless that player has Skullscorch deal 4 damage to them.

Flying, first strike (This creature can't be blocked except by creatures with flying or reach, and it deals combat damage before creatures without first strike.)

Flying

Whenever Skyship Plunderer deals combat damage to a player, for each kind of counter on target permanent or player, give that permanent or player another counter of that kind.

Flying

Whenever Skysovereign, Consul Flagship enters or attacks, it deals 3 damage to target creature or planeswalker an opponent controls.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Flying

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

Skyway Robber escapes with "Whenever Skyway Robber deals combat damage to a player, you may cast an artifact, instant, or sorcery spell from among cards exiled with Skyway Robber without paying its mana cost."

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

, Sacrifice an artifact: Slag Strider deals 1 damage to any target.

Slash of Talons deals 2 damage to target attacking or blocking creature.

Devoid (This card has no color.)

: Slaughter Drone gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it. represents colorless mana.)

Whenever Slavering Nulls deals combat damage to a player, if you control a Swamp, you may have that player discard a card.

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

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

Slice and Dice deals 4 damage to each creature.

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

When you cycle Slice and Dice, you may have it deal 1 damage to each creature.

Slick Sequence deals 2 damage to any target. If you've cast another spell this turn, draw a card.

Whenever a Saproling you control dies, Slimefoot, the Stowaway deals 1 damage to each opponent and you gain 1 life.

: Create a 1/1 green Saproling creature token.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Whenever Slinking Giant blocks or becomes blocked, it gets -3/-0 until end of turn.

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

: Regenerate Slith Bloodletter.

Trample

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

Slivers you control have hope. (Prevent all damage that would be dealt to attacking creatures with hope.)