Undaunted (This spell costs less to cast for each opponent.)

Destroy all creatures.

Whenever Subterranean Schooner attacks, target creature that crewed it this turn explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.)

Crew 1

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Subterranean Shambler enters or leaves the battlefield, it deals 1 damage to each creature without flying.

Subterranean Tremors deals X damage to each creature without flying. If X is 4 or more, destroy all artifacts. If X is 8 or more, create an 8/8 red Lizard creature token.

Flash

Flying

When Subtlety enters, choose up to one target creature spell or planeswalker spell. Its owner puts it on their choice of the top or bottom of their library.

Evoke—Exile a blue card from your hand.

You draw two cards and you lose 2 life.

Target creature gets +2/+0 and gains first strike until end of turn.

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

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Target player sacrifices a creature of their choice.

Draw a card for each different mana value among nonland cards in your graveyard.

Choose up to three target permanent cards in graveyards that were put there from the battlefield this turn. Return them to the battlefield tapped under their owners' control. You draw a card for each opponent who controls one or more of those permanents.

Target creature gets +1/+3 until end of turn. Put a reach counter on it. Untap it.

Target creature gets +3/+3 until end of turn.

Draw a card.

Exile X target cards from target player's graveyard. For each card exiled this way, that player loses 1 life and you gain 1 life.

Creatures your opponents control get -1/-1 until end of turn.

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

Flash

Enchant creature or Food

Enchanted permanent is a colorless Food artifact with ", , Sacrifice this artifact: You gain 3 life" and loses all other card types and abilities.

Flash

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

White creatures get +1/-1.

At the beginning of each player's upkeep, Sulfuric Vortex deals 2 damage to that player.

If a player would gain life, that player gains no life instead.

At the beginning of your upkeep, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Choose one —

• Destroy target monocolored creature.

• Destroy target artifact or enchantment.

• Draw two cards, then discard a card.

Whenever a creature you control with toughness 4 or greater dies, you gain 4 life.

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Flying

When Sultai Soothsayer enters, look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard.

Summary Judgment deals 3 damage to target tapped creature.

Addendum — If you cast this spell during your main phase, it deals 5 damage instead.

Create two 1/1 blue Merfolk Wizard creature tokens.

Tap four untapped Merfolk you control: Return Summon the School from your graveyard to your hand.

: Create a 2/2 colorless Pincher creature token.

Whenever an artifact is put into a graveyard from the battlefield, you may untap Summoning Station.

Whenever you're dealt damage, put that many charge counters on Sun Droplet.

At the beginning of each upkeep, you may remove a charge counter from Sun Droplet. If you do, you gain 1 life.

Vigilance

Whenever Sun Titan enters or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Domain — : Until end of turn, Sunbathing Rootwalla gets +1/+1 for each basic land type among lands you control. Activate only once each turn.

Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost. Put the rest on the bottom of your library in a random order.

When Sun-Blessed Mount enters, you may search your library and/or graveyard for a card named Huatli, Dinosaur Knight, reveal it, then put it into your hand. If you searched your library this way, shuffle.

Trample

: Sun-Collared Raptor gets +3/+0 until end of turn.

Enrage — Whenever Sun-Crowned Hunters is dealt damage, it deals 3 damage to target opponent or planeswalker.

Choose one —

• Destroy target nontoken artifact or enchantment an opponent controls. Incubate 2. (Create an Incubator token with two +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

• Incubate 2, then transform an Incubator token you control.

Destroy target artifact or enchantment, then populate. (Create a token that's a copy of a creature token you control.)

When Sundering Titan enters or leaves the battlefield, choose a land of each basic land type, then destroy those lands.

, : End the turn. Activate only during your turn. (Exile all spells and abilities from the stack. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Equipped creature gets +1/+0 and has "Whenever this creature attacks, you may sacrifice Sunfire Torch. When you do, this creature deals 2 damage to any target."

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

Whenever Sungold Sentinel enters or attacks, exile up to one target card from a graveyard.

Coven — : Choose a color. Sungold Sentinel gains hexproof from that color until end of turn and can't be blocked by creatures of that color this turn. Activate only if you control three or more creatures with different powers.

: Add .

, : Target creature gains double strike until end of turn.

Sunken Citadel enters tapped. As it enters, choose a color.

: Add one mana of the chosen color.

: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources.

During your turn, Sunlit Hoplite has first strike.

Sunlit Hoplite gets +1/+0 as long as you control an Elspeth planeswalker.

Sunpetal Grove enters tapped unless you control a Forest or a Plains.

: Add or .

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

, : Put target creature you control on top of its owner's library.

, : Creatures you control get +2/+2 until end of turn.

, : Return target creature to its owner's hand.

When Sunscorched Desert enters, it deals 1 damage to target player or planeswalker.

: Add .

Sunset Pyramid enters with three brick counters on it.

, , Remove a brick counter from Sunset Pyramid: Draw a card.

, : Scry 1.

Tap two untapped artifacts and/or creatures you control: Sunshot Militia deals 1 damage to each opponent. Activate only as a sorcery.

Landfall — Whenever a land enters under your control, you may put a quest counter on Sunspring Expedition.

Remove three quest counters from Sunspring Expedition and sacrifice it: You gain 8 life.

Flying

If it's neither day nor night, it becomes day as Sunstreak Phoenix enters.

Whenever day becomes night or night becomes day, you may pay . If you do, return Sunstreak Phoenix from your graveyard to the battlefield tapped.