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.

Unruly Mob

Creature - Human

Whenever another creature you control dies, put a +1/+1 counter on Unruly Mob.

"Who says werewolves are the only ones who can hunt as a pack?"
-Kolman, elder of Gatstaf

Unscythe, Killer of Kings

Legendary Artifact - Equipment

Equipped creature gets +3/+3 and has first strike.

Whenever a creature dealt damage by equipped creature this turn dies, you may exile that card. If you do, put a 2/2 black Zombie creature token onto the battlefield.

Equip

Unstable Footing

Instant

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

Damage can't be prevented this turn. If Unstable Footing was kicked, it deals 5 damage to target player.

A long way down is shorter than you think.

Unstable Frontier

Land

: Add to your mana pool.

: Target land you control becomes the basic land type of your choice until end of turn.

The goblins went to sleep in Jund and awoke in Grixis. They'd never seen a zombie before. They would never see one again.

Unstable Obelisk

Artifact

: Add to your mana pool.

, , Sacrifice Unstable Obelisk: Destroy target permanent.

Its collapse is like the lashing out of a long-dead civilization that resents being forgotten.

Unsummon

Instant

Return target creature to its owner's hand.

Not to be. That is the answer.

Untamed Hunger

Enchantment - Aura

Enchant creature

Enchanted creature gets +2/+1 and has menace. (It can't be blocked except by two or more creatures.)

"Mindlessness is not weakness. When we are lost to hunger we are unstoppable."
-Drana, Kalastria bloodchief

Untamed Might

Instant

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

"Beasts kill for their very survival. If you would have their strength, you must know their desperation."
-Konnos, Sylvok sage

Unwinding Clock

Artifact

Untap all artifacts you control during each other player's untap step.

"The partisans have unearthed a strange artifact. None know its origin, but it gives them hope of a life beyond."
-Elspeth's journal

Unyielding Krumar

Creature - Orc Warrior

: Unyielding Krumar gains first strike until end of turn.

"The man whom I call father killed the orc who sired me, offering his world and his blade in return."

Updraft Elemental

Creature - Elemental

Flying

"It slips through the smallest cracks in the mountain, emerging whole and unfettered. There is nowhere it cannot go, for what can hold back the air itself?"
-Chanyi, Ojutai monk

Ur-Golem's Eye

Artifact

: Add to your mana pool.

It still stares accusingly at Memnarch, though millennia have passed since he separated the eye from its body.

Urabrask the Hidden

Legendary Creature - Praetor

Creatures you control have haste.

Creatures your opponents control enter the battlefield tapped.

When the Mirran resistance arrived, the furnace dwellers looked to Urabrask for guidance. His decree stunned the others: "Let them be."

Urban Burgeoning

Enchantment - Aura

Enchant land

Enchanted land has "Untap this land during each other player's untap step."

The ruins of Old Prahv became a wildspace, although all birdsong was silenced by lingering Azorius magic.

Urban Evolution

Sorcery

Draw three cards. You may play an additional land this turn.

As the Simic released more of their krasis experiments, they required new habitats, always at the expense of the locals.

Urbis Protector

Creature - Human Cleric

When Urbis Protector enters the battlefield, put a 4/4 white Angel creature token with flying onto the battlefield.

"I hear that Boros is losing its angels to the Gateless Movement. I'm sure this comes as no surprise to you."
-Teysa, to Lazav

Urborg, Tomb of Yawgmoth

Legendary Land

Each land is a Swamp in addition to its other land types.

"Yawgmoth's corpse is a wound in the universe. His foul blood seeps out, infecting the land with his final curse."
-Lord Windgrace

Urge to Feed

Instant

Target creature gets -3/-3 until end of turn. You may tap any number of untapped Vampire creatures you control. If you do, put a +1/+1 counter on each of those Vampires.

Urgent Exorcism

Instant

Destroy target Spirit or enchantment.

"To show geists pity is to prolong their agonies. Whether they know it or not, they seek the Blessed Sleep, and we are to give it to them."
-Mikaeus, the Lunarch

Uril, the Miststalker

Legendary Creature - Beast

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Uril, the Miststalker gets +2/+2 for each Aura attached to it.

It strides through the whitecover, mists in which even gargantuans can hide.

Urza's Factory

Land - Urza's

: Add to your mana pool.

, : Put a 2/2 colorless Assembly-Worker artifact creature token onto the battlefield.

"Though their ideals are leagues apart, Urza's and Mishra's creations have a surprising harmony with one another."
-Tocasia, journal entry

Utter End

Instant

Exile target nonland permanent.

"I came seeking a challenge. All I found was you."
-Zurgo, khan of the Mardu

Utvara Hellkite

Creature - Dragon

Flying

Whenever a Dragon you control attacks, put a 6/6 red Dragon creature token with flying onto the battlefield.

The fear of dragons is as old and as powerful as the fear of death itself.

Uyo, Silent Prophet

Legendary Creature - Moonfolk Wizard

Flying

, Return two lands you control to their owner's hand: Copy target instant or sorcery spell. You may choose new targets for the copy.

Vagrant Plowbeasts

Creature - Beast

: Regenerate target creature with power 5 or greater.

Plowbeasts of Naya escaped their harnesses in droves, content to snack on the conveniently cultivated fields of Eos and Valeron.

Valakut Fireboar

Creature - Elemental Boar

Whenever Valakut Fireboar attacks, switch its power and toughness until end of turn.

"Just move very slowly, and for the love of Ula, do not get it mad."
-Chadir the Navigator

Valakut Invoker

Creature - Human Shaman

: Valakut Invoker deals 3 damage to target creature or player.

"As long as we have walked this world, we have known it as a harsh and unforgiving place."-The Invokers' Tales

Valakut Predator

Creature - Elemental

Landfall - Whenever a land enters the battlefield under your control, Valakut Predator gets +2/+2 until end of turn.

"Whatever volcanoes dream of, it seems like they always wake up grumpy."-Raff Slugeater, goblin shortcutter

Valakut, the Molten Pinnacle

Land

Valakut, the Molten Pinnacle enters the battlefield tapped.

Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to target creature or player.

: Add to your mana pool.

Valeron Outlander

Creature - Human Scout

Protection from black

After years of honing her philosophy in debate with stubborn rhoxes, Niella was ready to convert any heathen.

Valiant Guard

Creature - Human Soldier

As the outsiders invaded Bant, soldiers who once saw sigils as the highest marks of glory began to see the scars of battle as tokens of equal worth.

Valley Dasher

Creature - Human Berserker

Haste

Valley Dasher attacks each turn if able.

Mardu riders' greatest fear is that a battle might end before their weapons draw blood.

Valley Rannet

Creature - Beast

Mountaincycling , forestcycling (, Discard this card: Search your library for a Mountain or Forest card, reveal it, and put it into your hand. Then shuffle your library.)

Valor Made Real

Instant

Target creature can block any number of creatures this turn.

"As my father taught, ‘Training will raise your shield to the blow, but courage fills the gaps the shield leaves open.'"

Valorous Stance

Instant

Choose one -

• Target creature gains indestructible until end of turn.

• Destroy target creature with toughness 4 or greater.

"Every choice alters the path of fate."
-Sarkhan Vol

Vampire Aristocrat

Creature - Vampire Rogue

Sacrifice a creature: Vampire Aristocrat gets +2/+2 until end of turn.

"I admit, I am a creature of the city. The sights, the nightly excitement, the abundance of fine drink . . ."

Vampire Envoy

Creature - Vampire Cleric Ally

Flying

Whenever Vampire Envoy becomes tapped, you gain 1 life.

"Zendikar will fight until it has bled its last."

Vampire Hexmage

Creature - Vampire Shaman

First strike

Sacrifice Vampire Hexmage: Remove all counters from target permanent.

When the blood hunt lost its thrill, she looked for less tangible means of domination.

Vampire Interloper

Creature - Vampire Scout

Flying

Vampire Interloper can't block.

He listens to every heartbeat, deciding which one of hundreds he will stop.