Spree (Choose one or more additional costs.)

+ — Exchange control of two target creatures.

+ — Exchange control of two target artifacts.

+ — Exchange control of two target enchantments.

Enchant creature

Enchanted creature has haste and "At the beginning of your upkeep, destroy this creature. Reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and attach Shifting Shadow to it, then put all other cards revealed this way on the bottom of your library in a random order."

Slivers can't be blocked except by Slivers.

Shifting Woodland enters tapped unless you control a Forest.

: Add .

Delirium — : Shifting Woodland becomes a copy of target permanent card in your graveyard until end of turn. Activate only if there are four or more card types among cards in your graveyard.

As Shimatsu the Bloodcloaked enters, sacrifice any number of permanents. Shimatsu enters with that many +1/+1 counters on it.

Flying

Whenever Shimian Specter deals combat damage to a player, that player reveals their hand. You choose a nonland card from it. Search that player's graveyard, hand, and library for all cards with the same name as that card and exile them. Then that player shuffles.

Shimmerdrift Vale enters tapped.

As Shimmerdrift Vale enters, choose a color.

: Add one mana of the chosen color.

Flying

Whenever Shimmering Glasskite becomes the target of a spell or ability for the first time each turn, counter that spell or ability.

Flying

Channel — , Discard Shinen of Flight's Wings: Target creature gains flying until end of turn.

Whenever Shinka Gatekeeper is dealt damage, it deals that much damage to you.

Enchant creature

Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Whenever enchanted creature attacks, you create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Defender

As long as an artifact entered the battlefield under your control this turn, Shipwreck Sentry can attack as though it didn't have defender.

: Add .

, , Sacrifice Shire Terrace: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, sacrifice a Snake.

Whenever Shisato, Whispering Hunter deals combat damage to a player, that player skips their next untap step.

, Sacrifice a creature: Destroy target nonbasic land.

Shivan Meteor deals 13 damage to target creature.

Suspend 2— (Rather than cast this card from your hand, you may pay and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

: Add .

, : Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Defender

Landfall — Whenever a land you control enters, Shoal Serpent loses defender until end of turn.

Shoe Tree enters with up to two shoe counters on it. Use your shoes as counters.

Shoe Tree gets +1/+1 for each shoe counter on it.

Destroy target non-outlaw creature. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws. Everyone else is fair game.)

Shoreline Looter can't be blocked.

Threshold — Whenever Shoreline Looter deals combat damage to a player, draw a card. Then discard a card unless seven or more cards are in your graveyard.

Equipped creature gets +1/+1 and has vigilance and reach.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +1/+1.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

When Shortcut to Mushrooms enters, the Ring tempts you.

At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on target creature you control.

Until end of turn, all creatures gain ": Tap target creature."

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Exile the top four cards of your library. Until the end of your next turn, you may play those cards.

II, III — Whenever you cast a spell this turn, put a +1/+1 counter on target creature you control.

Choose target creature you control. Turn it face up if it's face down. Then it deals damage equal to its power to each other creature.

Return up to one target instant card and up to one target sorcery card from your graveyard to your hand, then discard a card. Exile Shreds of Sanity.

Exchange control of target artifact you control and target artifact or creature you don't control.

Flying

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

At the beginning of each opponent's upkeep, if that player has one or fewer cards in hand, they lose 3 life.

Flying

Whenever Shrieking Specter attacks, defending player discards a card.

At the beginning of your upkeep and whenever you cast a black spell, put a charge counter on Shrine of Limitless Power.

, , Sacrifice Shrine of Limitless Power: Target player discards a card for each charge counter on Shrine of Limitless Power.

When Shrine Steward enters, you may search your library for an Aura or Shrine card, reveal it, put it into your hand, then shuffle.

Whenever Shrouded Serpent attacks, defending player may pay . If that player doesn't, Shrouded Serpent can't be blocked this turn.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Change the target of target spell with a single target.

Flying

Whenever Siani, Eye of the Storm attacks, scry X, where X is the number of attacking creatures with flying.

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

When Sibsig Host enters, each player mills three cards.

Flash

Squad (As an additional cost to cast this spell, you may pay any number of times. When this creature enters, create that many tokens that are copies of it.)

Benediction of the Omnissiah — When Sicarian Infiltrator enters, draw a card.

Target player in an Un-game you can see from your seat gains control of target creature you control until your next turn. At the beginning of your next upkeep, put two +1/+1 counters on that creature. (A creature is on the battlefield of only the game its controller is playing.)

Whenever Sidisi, Brood Tyrant enters or attacks, mill three cards.

Whenever one or more creature cards are put into your graveyard from your library, create a 2/2 black Zombie creature token.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

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

Trample

Untapped creatures can't block.

Tapped creatures can block.

Enchant creature or Vehicle

As long as enchanted permanent is a Vehicle, it's a creature in addition to its other types.

Enchanted creature gets +3/+0 and has first strike.

Double strike (This creature deals both first-strike and regular combat damage.)

Whenever Siege Striker attacks, you may tap any number of untapped creatures you control. Siege Striker gets +1/+1 until end of turn for each creature tapped this way.

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.