Ornithopter

Artifact Creature - Thopter

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

Regardless of the century, plane, or species, developing artificers never fail to invent the ornithopter.

Endless One

Creature - Eldrazi

Endless One enters the battlefield with X +1/+1 counters on it.

It embodies all possible meanings of the word "infinite."

Trained Caracal

Creature - Cat

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

Some Ravnicans consider carrying a sword to be beneath them, preferring instead a tooth-and-claw escort.

Faerie Impostor

Creature - Faerie Rogue

Flying

When Faerie Impostor enters the battlefield, sacrifice it unless you return another creature you control to its owner's hand.

Many Tin Street shops display a sign on the door: "No cloaks allowed."

Drainpipe Vermin

Creature - Rat

When Drainpipe Vermin dies, you may pay . If you do, target player discards a card.

When times are tough, the poor eat the rats. When times are tougher, the rats eat the poor.

Bellows Lizard

Creature - Lizard

: Bellows Lizard gets +1/+0 until end of turn.

As the price of wood and coal rose, smiths found creative ways to keep their forges burning.

Centaur's Herald

Creature - Elf Scout

, Sacrifice Centaur's Herald: Put a 3/3 green Centaur creature token onto the battlefield.

The farther they go from Vitu-Ghazi, the less willing the crowd is to part for them.

Blistercoil Weird

Creature - Weird

Whenever you cast an instant or sorcery spell, Blistercoil Weird gets +1/+1 until end of turn. Untap it.

Azorius lawmages would like to outlaw the creation of weirds, but first they'd have to settle their long-standing debate on how to classify them.

Deathrite Shaman

Creature - Elf Shaman

: Exile target land card from a graveyard. Add one mana of any color to your mana pool.

, : Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.

, : Exile target creature card from a graveyard. You gain 2 life.

Dryad Militant

Creature - Dryad Soldier

If an instant or sorcery card would be put into a graveyard from anywhere, exile it instead.

"We will defend the Worldsoul from Izzet ‘progress' at any cost."

Judge's Familiar

Creature - Bird

Flying

Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays .

"It misses nothing and it has no sense of humor."
-Barvisa, courtroom scribe

Nivmagus Elemental

Creature - Elemental

Exile an instant or sorcery spell you control: Put two +1/+1 counters on Nivmagus Elemental. (That spell won't resolve.)

When it escaped, the experimenters hesitated. It would cause untold havoc, yet they wished to see it in action.

Rakdos Cackler

Creature - Devil

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Devil-blades and dripping blood make music Rakdos never tires of hearing.

Slitherhead

Creature - Plant Zombie

Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

"It makes better use of Uncle Dragi's head than he ever did."
-Pesha, retired blacksmith

Cloudfin Raptor

Creature - Bird Mutant

Flying

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Experiment One

Creature - Human Ooze

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Remove two +1/+1 counters from Experiment One: Regenerate Experiment One.

Legion Loyalist

Creature - Goblin Soldier

Haste

Battalion - Whenever Legion Loyalist and at least two other creatures attack, creatures you control gain first strike and trample until end of turn and can't be blocked by creature tokens this turn.

Boros Elite

Creature - Human Soldier

Battalion - Whenever Boros Elite and at least two other creatures attack, Boros Elite gets +2/+2 until end of turn.

"First, you must fight among the rank and file. It is there I will discern your skills as a leader."
-Aurelia, to Gideon Jura

Wasteland Viper

Creature - Snake

Deathtouch

Bloodrush - , Discard Wasteland Viper: Target attacking creature gets +1/+2 and gains deathtouch until end of turn.

"The Gruul embrace all things poisonous and living in the cracks of society."
-Teysa Karlov, Grand Envoy of Orzhov

Shadow Alley Denizen

Creature - Vampire Rogue

Whenever another black creature enters the battlefield under your control, target creature gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Foundry Street Denizen

Creature - Goblin Warrior

Whenever another red creature enters the battlefield under your control, Foundry Street Denizen gets +1/+0 until end of turn.

After the Foundry Street riot, Arrester Hulbein tried to ban bludgeons. Which, inevitably, resulted in another riot.

Realmwright

Creature - Vedalken Wizard

As Realmwright enters the battlefield, choose a basic land type.

Lands you control are the chosen type in addition to their other types.

There is not a single inch of Ravnica that hasn't been altered at one point or another to fit someone's whims.

Dutiful Thrull

Creature - Thrull

: Regenerate Dutiful Thrull.

"They are useful, but there's little satisfaction in supplication that throws itself under your heel."
-Jozica, Orzhov enforcer

Spire Tracer

Creature - Elf Scout

Spire Tracer can't be blocked except by creatures with flying or reach.

Cartographers on Ravnica chart not just the horizontal, but also the vertical.

Thrull Parasite

Creature - Thrull

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

, Pay 2 life: Remove a counter from target nonland permanent.

The hunger of a vampire and the subtlety of a tax collector.

Soulmender

Creature - Human Cleric

: You gain 1 life.

"Healing is more art than magic. Well, there is still quite a bit of magic."

Suntail Hawk

Creature - Bird

Flying

Its eye the glaring sun, its cry the keening wind.

Galerider Sliver

Creature - Sliver

Sliver creatures you control have flying.

Masters of adaptation, galeriders serve multiple purposes useful to the hive. When they're not patrolling their territories, their majestic wings serve to circulate cool air through the vast hive chambers.

Merfolk Spy

Creature - Merfolk Rogue

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Merfolk Spy deals combat damage to a player, that player reveals a card at random from his or her hand.

Festering Newt

Creature - Salamander

When Festering Newt dies, target creature an opponent controls gets -1/-1 until end of turn. That creature gets -4/-4 instead if you control a creature named Bogbrew Witch.

Its back bubbles like a witch's cauldron, and it smells just as vile.

Shadowborn Apostle

Creature - Human Cleric

A deck can have any number of cards named Shadowborn Apostle.

, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card and put it onto the battlefield. Then shuffle your library.

Tenacious Dead

Creature - Skeleton Warrior

When Tenacious Dead dies, you may pay . If you do, return it to the battlefield tapped under its owner's control.

Raising the bones of Hekjek the Mad proved far easier than getting them to lie back down.

Striking Sliver

Creature - Sliver

Sliver creatures you control have first strike. (They deal combat damage before creatures without first strike.)

You're too busy recoiling in fear to realize that it's already hit you.

Elvish Mystic

Creature - Elf Druid

: Add to your mana pool.

"Life grows everywhere. My kin merely find those places where it grows strongest."-Nissa Revane

Gladecover Scout

Creature - Elf Scout

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

"The forest is my cover and I hold it close. In such a tight embrace, there is no room for wickedness."

Favored Hoplite

Creature - Human Soldier

Heroic - Whenever you cast a spell that targets Favored Hoplite, put a +1/+1 counter on Favored Hoplite and prevent all damage that would be dealt to it this turn.

Soldier of the Pantheon

Creature - Human Soldier

Protection from multicolored

Whenever an opponent casts a multicolored spell, you gain 1 life.

"I hear the gods' voices in my dreams each night, and I offer bloody trophies on their altars each day."

Yoked Ox

Creature - Ox

It was in fields of grain, not fields of battle, that the Champion learned to bear the yoke of duty to the gods. She worked the land long before she was called on to defend it.
-The Theriad

Triton Shorethief

Creature - Merfolk Rogue

At sunrise, the Champion and her companions awoke to find their supplies gone and Brygus, their sentry, dead. Carefully arranged piles of ornamental shells gave a clear warning: go no further.
-The Theriad

Asphodel Wanderer

Creature - Skeleton Soldier

: Regenerate Asphodel Wanderer.

He killed out of hate, so now only hate sustains him. He sought immortality, so the gods gave it to him.