Spell Rupture

Instant

Counter target spell unless its controller pays , where X is the greatest power among creatures you control.

"Like water, mana will drain from an inferior vessel."
-Jalan Tosk, Simic forcemage

Hydroform

Instant

Target land becomes a 3/3 Elemental creature with flying until end of turn. It's still a land.

"While the sea may be our home, the sky is our destiny."
-Prime Speaker Zegana

Wildwood Rebirth

Instant

Return target creature card from your graveyard to your hand.

In Ravnica, there are maladies far more difficult to treat than death.

Aurelia's Fury

Instant

Aurelia's Fury deals X damage divided as you choose among any number of target creatures and/or players. Tap each creature dealt damage this way. Players dealt damage this way can't cast noncreature spells this turn.

Orzhov Charm

Instant

Choose one - Return target creature you control and all Auras you control attached to it to their owner's hand; or destroy target creature and you lose life equal to its toughness; or return target creature card with converted mana cost 1 or less from your graveyard to the battlefield.

Tower Defense

Instant

Creatures you control get +0/+5 and gain reach until end of turn.

"The drakes are practice. We may one day need to bring down a sky swallower, or maybe even Rakdos himself."
-Korun Nar, Rubblebelt hunter

Signal the Clans

Instant

Search your library for three creature cards and reveal them. If you reveal three cards with different names, choose one of them at random and put that card into your hand. Shuffle the rest into your library.

Gruul clanfolk obey few rules, but all feel bound to answer the call of the horn.

Devour Flesh

Instant

Target player sacrifices a creature, then gains life equal to that creature's toughness.

His twisted mind concluded that if he was what he ate, and he wanted to stay human, . . .

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

Shattering Blow

Instant

Exile target artifact.

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

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

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

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.)

Wear (Wear/Tear)

Instant

Destroy target artifact.

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

Otherworldly Journey

Instant - Arcane

Exile target creature. At the beginning of the next end step, return that card to the battlefield under its owner's control with a +1/+1 counter on it.

"The landscape shimmered and I felt a chill breeze. When my vision cleared, I found myself alone among the corpses of my fallen friends."
-Journal found in Numai

Test of Faith

Instant

Prevent the next 3 damage that would be dealt to target creature this turn, and put a +1/+1 counter on that creature for each 1 damage prevented this way.

Those who survive the test bear a mark of power anyone can recognize.

Dampen Thought

Instant - Arcane

Target player puts the top four cards of his or her library into his or her graveyard.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Echoing Truth

Instant

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.

A single lie unleashes a tide of disbelief.

Logic Knot

Instant

Delve (You may exile any number of cards from your graveyard as you cast this spell. It costs less to cast for each card exiled this way.)

Counter target spell unless its controller pays .

Peer Through Depths

Instant - Arcane

Look at the top five cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Death Denied

Instant - Arcane

Return X target creature cards from your graveyard to your hand.

Takenuma was filled with a chorus of moans, shrieks, and wails. Some came from the living, some from the dying, and some, most horribly, from the dead.

Desperate Ritual

Instant - Arcane

Add to your mana pool.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Fury Charm

Instant

Choose one - Destroy target artifact; or target creature gets +1/+1 and gains trample until end of turn; or remove two time counters from target permanent or suspended card.

Glacial Ray

Instant - Arcane

Glacial Ray deals 2 damage to target creature or player.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Shrapnel Blast

Instant

As an additional cost to cast Shrapnel Blast, sacrifice an artifact.

Shrapnel Blast deals 5 damage to target creature or player.

Sudden Shock

Instant

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

Sudden Shock deals 2 damage to target creature or player.

Arc mages aren't known for their patience.

Echoing Courage

Instant

Target creature and all other creatures with the same name as that creature get +2/+2 until end of turn.

A single seed unleashes a flurry of growth.

Lightning Helix

Instant

Lightning Helix deals 3 damage to target creature or player and you gain 3 life.

Though less well-known than its army of soldiers, the Boros Legion's mage-priests are as respected by the innocent as they are hated by the ghosts of the guilty.

Manamorphose

Instant

Add two mana in any combination of colors to your mana pool.

Draw a card.

For a moment, objects of pure mana glimmered in the wonderstruck boggart's hands. In the next moment, they were in his mouth, as he chewed contentedly.

Celestial Flare

Instant

Target player sacrifices an attacking or blocking creature.

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

Impulse

Instant

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

"Controlling time ensures you need never look impulsive again."
-Teferi

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.

Last Breath

Instant

Exile target creature with power 2 or less. Its controller gains 4 life.

"Tsk. You'd think those nasty merrows would know how to hold their breath."
-Olka, mistmeadow witch

Gainsay

Instant

Counter target blue spell.

"I'd be happy to stop contradicting you, Urza, just as soon as you start being right."
-Bo Levar, planeswalker

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.

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.