Choose one —

• Untap all lands you control.

• Until end of turn, lands you control become 2/2 creatures that are still lands.

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

As Rukarumel, Biologist enters, choose a creature type.

Slivers you control and nontoken creatures you control are the chosen type in addition to their other creature types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

, : Create a 1/1 colorless Sliver creature token.

Choose two target creatures controlled by different players. Return those creatures to their owners' hands.

Spree (Choose one or more additional costs.)

+ — Target opponent sacrifices half the creatures they control of their choice, rounded up.

+ — Target opponent discards half the cards in their hand, rounded up.

+ — Target opponent loses half their life, rounded up.

You may choose not to untap Rust Tick during your untap step.

, : Tap target artifact. It doesn't untap during its controller's untap step for as long as Rust Tick remains tapped.

Choose one —

• Target nonattacking creature gains reach and deathtouch until end of turn. Untap it.

• Target attacking creature gets +2/+2 and gains trample until end of turn.

Starting with the next opponent in turn order, each player chooses a creature you don't control. Destroy the chosen creatures.

Choose one or both —

• Create a token that's a copy of target artifact.

• Create a token that's a copy of target creature, except it's an artifact in addition to its other types.

Sacrifice Salvager of Ruin: Choose target permanent card in your graveyard that was put there from the battlefield this turn. Return it to your hand.

Flash

When Samwise the Stouthearted enters, choose up to one target permanent card in your graveyard that was put there from the battlefield this turn. Return it to your hand. Then the Ring tempts you.

As Sanctum Prelate enters, choose a number.

Noncreature spells with mana value equal to the chosen number can't be cast.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

You may choose not to untap Sand Squid during your untap step.

: Tap target creature. That creature doesn't untap during its controller's untap step for as long as Sand Squid remains tapped.

Reach

When Sandsteppe Mastodon enters, bolster 5. (Choose a creature with the least toughness among creatures you control and put five +1/+1 counters on it.)

When Sandsteppe Scavenger enters, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.)

Flying

When Sandstone Oracle enters, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.

Choose one —

• Target player draws a card at the beginning of the next turn's upkeep.

• Target creature gains flying until end of turn.

• Target creature an opponent controls phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)

As Sarpadian Empires, Vol. VII enters, choose white Citizen, blue Camarid, black Thrull, red Goblin, or green Saproling.

, : Create a 1/1 creature token of the chosen color and type.

: Put a lore counter on each Saga you control. Activate only as a sorcery.

When Satsuki, the Living Lore dies, choose up to one —

• Return target Saga or enchantment creature you control to its owner's hand.

• Return target Saga card from your graveyard to your hand.

Escalate (Pay this cost for each mode chosen beyond the first.)

Choose one or more —

• Creatures target player controls gain trample until end of turn.

• Savage Alliance deals 2 damage to target creature.

• Savage Alliance deals 1 damage to each creature target opponent controls.

Choose one —

• Target player gains 2½ life.

• Prevent the next 2½ damage that would be dealt to target creature this turn.

Gotcha — If an opponent says "save" or "life," you may say "Gotcha" When you do, return Save Life from your graveyard to your hand.

As Sawhorn Nemesis enters, choose a player.

If a source would deal damage to the chosen player or a permanent they control, it deals double that damage instead.

Choose one or more —

• Destroy all small creatures.

• Destroy all medium creatures.

• Destroy all large creatures.

(A small creature has total power and toughness 4 or less, medium is 5–8, and large is 9 or more.)

Scattershot deals 1 damage to target creature.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Visit — Choose "a humanoid animal or alien," "food," or "horns or tusks" at random. You have ten seconds to search your library and reveal a card with the chosen item in its art. If you do, claim the prize Then shuffle.

Prize — You get , then you may put a sticker on a nonland permanent you own. Sacrifice Scavenger Hunt and open an Attraction.

Lights — 2, 3, 6

Visit — Choose "a creature wearing a hat," "a book or scroll," or "teeth" at random. You have ten seconds to search your library and reveal a card with the chosen item in its art. If you do, claim the prize Then shuffle.

Prize — You get , then you may put a sticker on a nonland permanent you own. Sacrifice Scavenger Hunt and open an Attraction.

Lights — 2, 5, 6

Visit — Choose "a vampire or zombie," "fire, lightning, or an explosion," or "a metallic creature" at random. You have ten seconds to search your library and reveal a card with the chosen item in its art. If you do, claim the prize Then shuffle.

Prize — You get , then you may put a sticker on a nonland permanent you own. Sacrifice Scavenger Hunt and open an Attraction.

Lights — 3, 5, 6

As Scheming Fence enters, you may choose a nonland permanent.

Activated abilities of the chosen permanent can't be activated.

Scheming Fence has all activated abilities of the chosen permanent except for loyalty abilities. You may spend mana as though it were mana of any color to activate those abilities.

Flash

Cone of Cold — When Scion of Stygia enters, choose target creature an opponent controls, then roll a d20.

1–9 | Tap that creature.

10–20 | Tap that creature. It doesn't untap during its controller's next untap step.

Target opponent chooses an artifact card in their graveyard. Put that card onto the battlefield under your control.

Choose a creature you control, then each opponent chooses a creature they control with equal or lesser power. If you chose a creature this way, exile each creature not chosen by any player this way.

Kicker

When Sea Gate Stormcaller enters, copy the next instant or sorcery spell with mana value 2 or less you cast this turn when you cast it. If Sea Gate Stormcaller was kicked, copy that spell twice instead. You may choose new targets for the copies.

Reorder your graveyard at random. An opponent chooses a card at random in your graveyard. If it's a creature card, put it onto the battlefield. Otherwise, exile it.

When you control no Islands, sacrifice Seasinger.

You may choose not to untap Seasinger during your untap step.

: Gain control of target creature whose controller controls an Island for as long as you control Seasinger and Seasinger remains tapped.

Choose up to five worth of modes. You may choose the same mode more than once.

— Each player sacrifices a creature of their choice.

— Draw a card for each creature that died under your control this turn.

— Each opponent loses X life, where X is the number of creature cards in your graveyard.

Choose up to five worth of modes. You may choose the same mode more than once.

— Create a tapped Treasure token.

— Exile the top two cards of your library. Until the end of your next turn, you may play them.

— Until the end of your next turn, whenever you cast a spell, Season of the Bold deals 2 damage to up to one target creature.

Choose up to five worth of modes. You may choose the same mode more than once.

— Draw a card.

— Choose an artifact or creature you control. Create a token that's a copy of it.

— Return each nonland, nontoken permanent to its owner's hand.

Choose one —

• Look at the top five cards of target opponent's library, then put them back in any order.

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

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

Choose one —

• Return target Aura attached to a creature to its owner's hand.

• Regenerate target green creature.

• Target creature gains trample until end of turn.

Choose one at random —

• You get an emblem with "At the beginning of your upkeep, pay . If you don't, you lose the game."

• Each player discards their hand.

• Planeswalk to Pools of Becoming. (Once there, you can roll the planar die only if you're playing Planechase.)

• For each opponent, exile cards from the top of their library until you exile a nonland card. You may cast those cards without paying their mana costs.

• Destroy all creatures and non-Bolas planeswalkers.

• You get an emblem with "You can cast nonland cards from your sideboard."

Your opponents play with their hands revealed.

Sacrifice Seer's Vision: Look at target player's hand and choose a card from it. That player discards that card. Activate only as a sorcery.

Reveal the top seven cards of your library. Choose from among them a card with flying, a card with first strike, and so on for double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance. Put one of the chosen cards onto the battlefield, the other chosen cards into your hand, and the rest into your graveyard.

Choose one —

• Target creature gets +2/+2 and gains trample until end of turn.

• Exile target creature with power 5 or greater.

• Create a 2/2 white Knight creature token with vigilance.

At the beginning of your upkeep, choose target opponent. This turn, that player can't cast spells or activate abilities and plays with their hand revealed. You may play lands and cast spells from that player's hand this turn.

Flying

As Serra's Emissary enters, choose a card type.

You and creatures you control have protection from the chosen card type.

Return target nonland permanent to its owner's hand. If that permanent had mana value 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Prevent all damage that would be dealt to Sevinne, the Chronoclasm.

Whenever you cast your first instant or sorcery spell from your graveyard each turn, copy that spell. You may choose new targets for the copy.

As Sewer Nemesis enters, choose a player.

Sewer Nemesis's power and toughness are each equal to the number of cards in the chosen player's graveyard.

Whenever the chosen player casts a spell, that player mills a card.

Prevent the next 3 damage that would be dealt this turn to any number of targets, divided as you choose. If there are more people in the room of a different gender than you are as you cast this spell, prevent the next 6 damage this way instead.

, , Sacrifice another creature: Draw X cards, where X is that creature's power.

Choose a Background (You can have a Background as a second commander.)

When Shambling Ghast dies, choose one —

• Target creature an opponent controls gets -1/-1 until end of turn.

• Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")