Biomass Mutation

Instant

Creatures you control become X/X until end of turn.

"A regression to ancient forms? A glimpse of future evolutions? Or a fleeting alteration of the present?"
-Vorel of the Hull Clade

Bioshift

Instant

Move any number of +1/+1 counters from target creature onto another target creature with the same controller.

"It's all right if you change your mind. There's always a chance we can rearrange parts later."
-Zija, Simic mutationist

Shattering Blow

Instant

Exile target artifact.

"Aurelia seems too eager to solve her problems by delivering them to oblivion."
-Prime Speaker Zegana

Furious Resistance

Instant

Target blocking creature gets +3/+0 and gains first strike until end of turn.

"At least the Gateless rebels have ideals. Rakdos just mocks, defiles, and kills all we hold dear."
-Libuse, Boros sergeant

Arrows of Justice

Instant

Arrows of Justice deals 4 damage to target attacking or blocking creature.

Archers from the Horizon Military Academy hone their skills by targeting pickpockets blocks away.

Grisly Spectacle

Instant

Destroy target nonartifact creature. Its controller puts a number of cards equal to that creature's power from the top of his or her library into his or her graveyard.

"Watch people flock to a murder scene. Then tell me we're not all a little sick in the head."
-Juri, proprietor of the Juri Revue

Martial Glory

Instant

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

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

"Yes, Boros tactics are unparalleled. But when your comrades are dying around you, inner strength must carry the day."
-Gideon Jura, to Aurelia

Homing Lightning

Instant

Homing Lightning deals 4 damage to target creature and each other creature with the same name as that creature.

"I see countless worlds. What makes them think I can't find them in just one?"
-Ral Zarek

Hindervines

Instant

Prevent all combat damage that would be dealt this turn by creatures with no +1/+1 counters on them.

"Woodlands and laws. Both grow faster than the Azorius's ability to manage them."
-Suniel the Woodwise

Boros Charm

Instant

Choose one - Boros Charm deals 4 damage to target player; or permanents you control gain indestructible until end of turn; or target creature gains double strike until end of turn.

"Practice compassion and mercy. But know when they must end."
-Aurelia

Simic Charm

Instant

Choose one - Target creature gets +3/+3 until end of turn; or permanents you control gain hexproof until end of turn; or return target creature to its owner's hand.

"We measure our progress in heartbeats."
-Prime Speaker Zegana

Renounce the Guilds

Instant

Each player sacrifices a multicolored permanent.

"Scores will die in the name of peace. That is what you call compromise?"
-Gideon Jura, to Aurelia

Riot Control

Instant

You gain 1 life for each creature your opponents control. Prevent all damage that would be dealt to you this turn.

"Ravnicans need order. If they don't have it, we shall bring it to them."
-Isperia

Mindstatic

Instant

Counter target spell unless its controller pays .

"It's always satisfying to stymie the best efforts of a rival, but the reactions of the Gruul are particularly amusing."
-Bori Andon, Izzet blastseeker

Crypt Incursion

Instant

Exile all creature cards from target player's graveyard. You gain 3 life for each card exiled this way.

The Golgari maze-runner Varolz hungers to prove his fortitude in battle, and his trail of victims feeds other hungers.

Fatal Fumes

Instant

Target creature gets -4/-2 until end of turn.

Travelers in the undercity dread the horrors and assassins of the Dimir, but nearly as many die from more mundane hazards.

Punish the Enemy

Instant

Punish the Enemy deals 3 damage to target player and 3 damage to target creature.

"When justice descends, the servant will burn with the master."
-Aurelia

Weapon Surge

Instant

Target creature you control gets +1/+0 and gains first strike until end of turn.

Overload (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

Mending Touch

Instant

Regenerate target creature.

"The gift of life must be freely given. Anything less would diminish us all."
-Arin, Selesnya healer

Mutant's Prey

Instant

Target creature you control with a +1/+1 counter on it fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Every street corner is a hunting ground, every citizen potential prey.

Advent of the Wurm

Instant

Put a 5/5 green Wurm creature token with trample onto the battlefield.

The consciousness of Mat'Selesnya does not always spread in peaceful ways.

Dragonshift

Instant

Until end of turn, target creature you control becomes a 4/4 blue and red Dragon, loses all abilities, and gains flying.

Overload (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

Plasm Capture

Instant

Counter target spell. At the beginning of your next precombat main phase, add X mana in any combination of colors to your mana pool, where X is that spell's converted mana cost.

"Everything serves a purpose. Even you."
-Vorel of the Hull Clade

Render Silent

Instant

Counter target spell. Its controller can't cast spells this turn.

"We have confiscated your spells as evidence. Once we conclude our investigation, you may petition to have them returned."

Restore the Peace

Instant

Return each creature that dealt damage this turn to its owner's hand.

"You can always count on the Azorius to ruin a party."
-Massacre Girl

Showstopper

Instant

Until end of turn, creatures you control gain "When this creature dies, it deals 2 damage to target creature an opponent controls."

The audience quickly realized a few things: it wasn't a magic trick, there wasn't candy in there, and they'd need new clothes.

Warleader's Helix

Instant

Warleader's Helix deals 4 damage to target creature or player and you gain 4 life.

"There is no time to remedy our enemies' ignorance. Blast it out of them."
-Aurelia

Warped Physique

Instant

Target creature gets +X/-X until end of turn, where X is the number of cards in your hand.

The Gruul seek unbounded strength. The Dimir deliver cruel irony.

Far (Far/Away)

Instant

Return target creature to its owner's hand.

Fuse (You may cast one or both halves of this card from your hand.)

Profit (Profit/Loss)

Instant

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

Fuse (You may cast one or both halves of this card from your hand.)

Protect (Protect/Serve)

Instant

Target creature gets +2/+4 until end of turn.

Fuse (You may cast one or both halves of this card from your hand.)

Ready (Ready/Willing)

Instant

Creatures you control gain indestructible until end of turn. Untap each creature you control.

Fuse (You may cast one or both halves of this card from your hand.)

Turn (Turn/Burn)

Instant

Target creature loses all abilities and becomes a 0/1 red Weird until end of turn.

Fuse (You may cast one or both halves of this card from your hand.)

Wear (Wear/Tear)

Instant

Destroy target artifact.

Fuse (You may cast one or both halves of this card from your hand.)

Celestial Flare

Instant

Target player sacrifices an attacking or blocking creature.

"You were defeated the moment you declared your aggression."-Gideon Jura

Grim Return

Instant

Choose target creature card in a graveyard that was put there from the battlefield this turn. Put that card onto the battlefield under your control.

The necromancer's touch strips away memory and loyalty, and only strength and malice remain.

Savage Summoning

Instant

Savage Summoning can't be countered.

The next creature card you cast this turn can be cast as though it had flash. That spell can't be countered. That creature enters the battlefield with an additional +1/+1 counter on it.

Battlewise Valor

Instant

Target creature gets +2/+2 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

It's never good to walk into an ambush, but with the right spell you might walk out again.

Dauntless Onslaught

Instant

Up to two target creatures each get +2/+2 until end of turn.

"The people of Akros must learn from our leonin adversaries. If we match their staunch ferocity with our superior faith, we cannot fail."
-Cymede, queen of Akros

Gods Willing

Instant

Target creature you control gains protection from the color of your choice until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Honor the gods of Theros, and they will return the favor.

Ray of Dissolution

Instant

Destroy target enchantment. You gain 3 life.

The works of one god last only as long as the patience of another.

Dissolve

Instant

Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

"You thought only the gods could stop you?"

Lost in a Labyrinth

Instant

Target creature gets -3/-0 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Even those who leave the labyrinth never escape it, forever dreaming of their time trapped within.

Stymied Hopes

Instant

Counter target spell unless its controller pays . Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

When a god's will is against you, the day never ends well.

Swan Song

Instant

Counter target enchantment, instant, or sorcery spell. Its controller puts a 2/2 blue Bird creature token with flying onto the battlefield.

"The most enlightened mages create beauty from violence."
-Medomai the Ageless

Triton Tactics

Instant

Up to two target creatures each get +0/+3 until end of turn. Untap those creatures. At this turn's next end of combat, tap each creature that was blocked by one of those creatures this turn and it doesn't untap during its controller's next untap step.

Voyage's End

Instant

Return target creature to its owner's hand. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Philosophers say those lost at sea ascended to a more perfect realm. Sailors say they drowned.

Boon of Erebos

Instant

Target creature gets +2/+0 until end of turn. Regenerate it. You lose 2 life.

"Death is not a certainty. Erebos determines when a mortal's time is up."
-Iadorna, death priest of Erebos

Cutthroat Maneuver

Instant

Up to two target creatures each get +1/+1 and gain lifelink until end of turn.

"Our ambition drives us forward. Together we will claim what is ours, no matter who holds it."

Dark Betrayal

Instant

Destroy target black creature.

"You're just like me: ruthless, cunning, and ambitious. Obviously you're a threat."
-Basarios the Blade

Hero's Downfall

Instant

Destroy target creature or planeswalker.

Destiny exalts a chosen few, but even heroes break.

Lash of the Whip

Instant

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

"No matter who their fickle hearts worship, all mortals belong to one god in the end."
-Iadorna, death priest of Erebos

Pharika's Cure

Instant

Pharika's Cure deals 2 damage to target creature and you gain 2 life.

"The venom cleanses the sickness from your body, but it will not be pleasant, and you may not survive. Pharika's blessings are fickle."
-Solon, acolyte of Pharika

Rescue from the Underworld

Instant

As an additional cost to cast Rescue from the Underworld, sacrifice a creature.

Choose target creature card in your graveyard. Return that card and the sacrificed card to the battlefield under your control at the beginning of your next upkeep. Exile Rescue from the Underworld.

Boulderfall

Instant

Boulderfall deals 5 damage divided as you choose among any number of target creatures and/or players.

"Defeating the Meletians was not so difficult. I needed only to move a mountain."
-Eocles, oracle of Purphoros

Coordinated Assault

Instant

Up to two target creatures each get +1/+0 and gain first strike until end of turn.

It's hard to shout "Shields up!" with a javelin in your chest.

Lightning Strike

Instant

Lightning Strike deals 3 damage to target creature or player.

"The hand of Keranos can be seen in every rumbling storm cloud. Best not to stand where he points."
-Rakleia of Shrine Peak

Spark Jolt

Instant

Spark Jolt deals 1 damage to target creature or player. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Acolytes of Purphoros hammer the world until they see the sparks of change.

Titan's Strength

Instant

Target creature gets +3/+1 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Artisan's Sorrow

Instant

Destroy target artifact or enchantment. Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Some seers read bones or entrails. Others just like to break things.

Defend the Hearth

Instant

Prevent all combat damage that would be dealt to players this turn.

The defenders said not a word. Their shields, spears, and stances were warning enough.

Shredding Winds

Instant

Shredding Winds deals 7 damage to target creature with flying.

"Enemies of the wood! Your presence here is a slap in Nylea's face. Do not be surprised if she slaps back."
-Telphe, druid of Nylea

Warriors' Lesson

Instant

Until end of turn, up to two target creatures you control each gain "Whenever this creature deals combat damage to a player, draw a card."

"Let each challenge make you a better warrior."
-Anthousa of Setessa

Destructive Revelry

Instant

Destroy target artifact or enchantment. Destructive Revelry deals 2 damage to that permanent's controller.

"Stoke a fire hot enough and you'll never run out of things to burn."
-Xenagos, the Reveler

Steam Augury

Instant

Reveal the top five cards of your library and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard.

Keranos is a fickle god, delivering punishment as readily as prophecy.

Unexpectedly Absent

Instant

Put target nonland permanent into its owner's library just beneath the top X cards of that library.

Once you've been dragged down the currents of time, you'll never quite trust your own permanence again.

Illusionist's Gambit

Instant

Cast Illusionist's Gambit only during the declare blockers step on an opponent's turn.Remove all attacking creatures from combat and untap them. After this phase, there is an additional combat phase. Each of those creatures attacks that combat if able. They can't attack you or a planeswalker you control that combat.

Acolyte's Reward

Instant

Prevent the next X damage that would be dealt to target creature this turn, where X is your devotion to white. If damage is prevented this way, Acolyte's Reward deals that much damage to target creature or player. (Each in the mana costs of permanents you control counts toward your devotion to white.)

Fated Retribution

Instant

Destroy all creatures and planeswalkers. If it's your turn, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Glimpse the Sun God

Instant

Tap X target creatures. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Better to be beneath Heliod's notice than beneath his heel.

Hold at Bay

Instant

Prevent the next 7 damage that would be dealt to target creature or player this turn.

It was Daeron's bravery that brought him to Odunos. But it was the magic of Meletis that brought him home.

Mortal's Ardor

Instant

Target creature gets +1/+1 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

"Such deeds should be common fare for such as us."
-Anax, king of Akros

Crypsis

Instant

Target creature you control gains protection from creatures your opponents control until end of turn. Untap it.

Tritons borrow the camouflage of their oceanic prey to become predators on land.

Fated Infatuation

Instant

Put a token onto the battlefield that's a copy of target creature you control. If it's your turn, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Nullify

Instant

Counter target creature or Aura spell.

"Those who incur Thassa's anger will be swallowed whole by her waves, or torn asunder by her bident."
-Thrasios, triton hero

Retraction Helix

Instant

Until end of turn, target creature gains ": Return target nonland permanent to its owner's hand."

Where the geometries of the world collapse, a master of the Æther can harvest power beyond comprehending.

Sudden Storm

Instant

Tap up to two target creatures. Those creatures don't untap during their controllers' next untap steps. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

No matter how big and strong you are, the sea is bigger and stronger.

Thassa's Rebuff

Instant

Counter target spell unless its controller pays , where X is your devotion to blue. (Each in the mana costs of permanents you control counts toward your devotion to blue.)

To resist Thassa is to deny the rising tide.

Bile Blight

Instant

Target creature and all other creatures with the same name as that creature get -3/-3 until end of turn.

Not an arrow loosed, javelin thrown, nor sword raised. None were needed.

Eye Gouge

Instant

Target creature gets -1/-1 until end of turn. If it's a Cyclops, destroy it.

One chance. One throw. One perfect hit.

Fated Return

Instant

Put target creature card from a graveyard onto the battlefield under your control. It gains indestructible. If it's your turn, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Fall of the Hammer

Instant

Target creature you control deals damage equal to its power to another target creature.

It is unwise to insult the god of the forge. It is also unwise to stand near anyone else who has insulted him.

Fated Conflagration

Instant

Fated Conflagration deals 5 damage to target creature or planeswalker. If it's your turn, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Lightning Volley

Instant

Until end of turn, creatures you control gain ": This creature deals 1 damage to target creature or player."

"We are the motes of rain that join to make the thundercloud. The power of the storm god surges through us!"

Rise to the Challenge

Instant

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

Plidius wagered that Arissa couldn't kill a chimera with her javelins alone. She proved him wrong in a way everyone could see for days to come.

Searing Blood

Instant

Searing Blood deals 2 damage to target creature. When that creature dies this turn, Searing Blood deals 3 damage to the creature's controller.

Purphoros's blessing: sometimes a boon, sometimes a bane. Always ablaze.

Aspect of Hydra

Instant

Target creature gets +X/+X until end of turn, where X is your devotion to green. (Each in the mana costs of permanents you control counts toward your devotion to green.)

"Even alone I outnumber you."

Fated Intervention

Instant

Put two 3/3 green Centaur enchantment creature tokens onto the battlefield. If it's your turn, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Mortal's Resolve

Instant

Target creature gets +1/+1 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

The Fates tried to cut her string but found the thread had turned to iron.

Unravel the Æther

Instant

Choose target artifact or enchantment. Its owner shuffles it into his or her library.

Thaumaturges of Theros have learned to weave their magic into the world around them, but it can be pulled apart strand by strand.

Reap What Is Sown

Instant

Put a +1/+1 counter on each of up to three target creatures.

The strength of the people comes from the land. And the bounty of the land comes from Karametra.

Ajani's Presence

Instant

Strive - Ajani's Presence costs more to cast for each target beyond the first.

Any number of target creatures each get +1/+1 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Deicide

Instant

Exile target enchantment. If the exiled card is a God card, search its controller's graveyard, hand, and library for any number of cards with the same name as that card and exile them, then that player shuffles his or her library.

"It is done."
-Elspeth

Phalanx Formation

Instant

Strive - Phalanx Formation costs more to cast for each target beyond the first.

Any number of target creatures each gain double strike until end of turn. (They deal both first-strike and regular combat damage.)

Aerial Formation

Instant

Strive - Aerial Formation costs more to cast for each target beyond the first.

Any number of target creatures each get +1/+1 and gain flying until end of turn.

Countermand

Instant

Counter target spell. Its controller puts the top four cards of his or her library into his or her graveyard.

The physical pain was nothing compared to the agony in his mind.

Hour of Need

Instant

Strive - Hour of Need costs more to cast for each target beyond the first.

Exile any number of target creatures. For each creature exiled this way, its controller puts a 4/4 blue Sphinx creature token with flying onto the battlefield.

Hubris

Instant

Return target creature and all Auras attached to it to their owners' hands.

"You wish to learn of Nyx? Very well."
-Phenax, god of deception

Kiora's Dismissal

Instant

Strive - Kiora's Dismissal costs more to cast for each target beyond the first.

Return any number of target enchantments to their owners' hands.

Polymorphous Rush

Instant

Strive - Polymorphous Rush costs more to cast for each target beyond the first.

Choose a creature on the battlefield. Any number of target creatures you control each become a copy of that creature until end of turn.