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

Destroy all creatures.

Subterranean Hangar enters tapped.

: Put a storage counter on Subterranean Hangar.

, Remove any number of storage counters from Subterranean Hangar: Add for each storage counter removed this way.

When Subterranean Scout enters, target creature with power 2 or less can't be blocked this turn.

Protection from red

: Subterranean Spirit deals 1 damage to each creature without flying.

, Pay 2 life: Choose one. Activate only once.

• Subversive Acolyte becomes a Human Cleric. It gets +1/+2 and gains lifelink.

• Subversive Acolyte becomes a Phyrexian. It gets +3/+3 and gains trample and "Whenever this creature is dealt damage, sacrifice that many permanents."

Vigilance

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

When Su-Chi Cave Guard dies, add eight . Until end of turn, you don't lose this mana as steps and phases end.

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 creature gets -4/-4 until end of turn.

Sudden Impact deals damage to target player equal to the number of cards in that player's hand.

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.

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.

Counter target spell and Suffocating Blast deals 3 damage to target creature.

Cast this spell only if you were dealt damage this turn by a red instant or sorcery spell.

Suffocation deals 4 damage to the controller of the last red instant or sorcery spell that dealt damage to you this turn.

Draw a card at the beginning of the next turn's upkeep.

Target creature gets +3/+0 until end of turn.

Draw a card.

Trample

Sulam Djinn gets -2/-2 as long as green is the most common color among all permanents or is tied for most common.

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.

If a red spell would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player 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.

Reach

Whenever a face-down permanent you control is turned face up, put a +1/+1 counter on it and a +1/+1 counter on Sumala Sentry.

Exile all other spells and counter all abilities.

As long as you control a Mountain, Summit Apes has menace. (It can't be blocked except by two or more creatures.)

You may mill three cards. Then return a creature card from your graveyard to the battlefield. (To mill a card, put the top card of your library into your graveyard.)

Search your library for a green creature card, reveal it, put it into your hand, then shuffle.

At the beginning of your next upkeep, pay . If you don't, you lose the game.

If a creature spell you cast this turn was countered by a spell or ability an opponent controlled, you may pay rather than pay this spell's mana cost.

Look at the top seven cards of your library. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in any order.

Enchant creature

Enchanted creature gets +1/+3.

: Return enchanted creature to its owner's hand.

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.

, Pay 1 life: Add or .

, , Sacrifice Sunbaked Canyon: Draw a card.

, Sacrifice Sunbeam Spellbomb: You gain 5 life.

, Sacrifice Sunbeam Spellbomb: Draw a card.

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.

Sunblade Elf gets +1/+1 as long as you control a Plains.

: Creatures you control get +1/+1 until end of turn.

Flying

When Sunblast Angel enters, destroy all tapped creatures.

When Suncleanser enters, choose one —

• Remove all counters from target creature. It can't have counters put on it for as long as Suncleanser remains on the battlefield.

• Target opponent loses all counters. That player can't get counters for as long as Suncleanser remains on the battlefield.

Sunder Shaman can't be blocked by more than one creature.

Whenever Sunder Shaman deals combat damage to a player, destroy target artifact or enchantment that player controls.

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.)

Exile all creatures. Incubate X, where X is the number of creatures exiled this way. (Create an Incubator token with X +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

, : Sunflare Shaman deals X damage to any target and X damage to itself, where X is the number of Elemental cards in your graveyard.

You may spend white mana as though it were red mana.

Flying (This creature can't be blocked except by creatures with flying or reach.)

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

, : Add .

First strike

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

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.

Sunlance deals 3 damage to target nonwhite creature.

Flying

: Sunmane Pegasus gains vigilance and lifelink until end of turn.

Trample, haste

If it's neither day nor night, it becomes day as Sunrise Cavalier enters.

Whenever day becomes night or night becomes day, put a +1/+1 counter on target creature you control.

Kicker and/or (You may pay an additional and/or as you cast this spell.)

When Sunscape Battlemage enters, if it was kicked with its kicker, destroy target creature with flying.

When Sunscape Battlemage enters, if it was kicked with its kicker, draw two cards.

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

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