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.

Disciple of the Old Ways

Creature - Human Warrior

: Disciple of the Old Ways gains first strike until end of turn.

"Selesnya thinks nature is a pretty plaything. True nature would rip their faces off and wear their skins as trophies."

Wight of Precinct Six

Creature - Zombie

Wight of Precinct Six gets +1/+1 for each creature card in your opponents' graveyards.

Even the lost and undead need a protector.

Bomber Corps

Creature - Human Soldier

Battalion - Whenever Bomber Corps and at least two other creatures attack, Bomber Corps deals 1 damage to target creature or player.

"Subtlety is for lawmages and spies."

Greenside Watcher

Creature - Elf Druid

: Untap target Gate.

"The Izzet may incite war, but my duty is here. I will not abandon the wild."

Frilled Oculus

Creature - Homunculus

: Frilled Oculus gets +2/+2 until end of turn. Activate this ability only once each turn.

"Understand the Simic? That's about as easy as winning a staring contest with a homunculus."
-Dars Gostok, Firefist captain

Burning-Tree Emissary

Creature - Human Shaman

When Burning-Tree Emissary enters the battlefield, add to your mana pool.

Those who regard the Gruul as savage simpletons underestimate the subtle power of their shamans.

Firefist Striker

Creature - Human Soldier

Battalion - Whenever Firefist Striker and at least two other creatures attack, target creature can't block this turn.

The flaming fist of Boros holds the promise of both protection and destruction in its grasp.

Nimbus Swimmer

Creature - Leviathan

Flying

Nimbus Swimmer enters the battlefield with X +1/+1 counters on it.

The Simic soon discovered that the sky offered as few constraints on size as the sea.

Truefire Paladin

Creature - Human Knight

Vigilance

: Truefire Paladin gets +2/+0 until end of turn.

: Truefire Paladin gains first strike until end of turn.

Cartel Aristocrat

Creature - Human Advisor

Sacrifice another creature: Cartel Aristocrat gains protection from the color of your choice until end of turn.

"Your life serves a higher purpose now: ensuring the continuation of my own."

Daring Skyjek

Creature - Human Knight

Battalion - Whenever Daring Skyjek and at least two other creatures attack, Daring Skyjek gains flying until end of turn.

"The hard part isn't landing in the saddle. The hard part is leaping before you see it."

Syndic of Tithes

Creature - Human Cleric

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

"Entrance is free. Donations are required."
-Notice outside Vizkopa Bank

Duskmantle Guildmage

Creature - Human Wizard

: Whenever a card is put into an opponent's graveyard from anywhere this turn, that player loses 1 life.

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

Incursion Specialist

Creature - Human Wizard

Whenever you cast your second spell each turn, Incursion Specialist gets +2/+0 until end of turn and is unblockable this turn.

"Work for the Dimir again? That depends. Tell me more about this maze."

Shambleshark

Creature - Fish Crab

Flash (You may cast this spell any time you could cast an instant.)

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.)

Zameck Guildmage

Creature - Elf Wizard

: This turn, each creature you control enters the battlefield with an additional +1/+1 counter on it.

, Remove a +1/+1 counter from a creature you control: Draw a card.

Gutter Skulk

Creature - Zombie Rat

Upon finding his warehouse infested, Gaven didn't know whether to get an exterminator or an exorcist.

Gyre Sage

Creature - Elf Druid

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.)

: Add to your mana pool for each +1/+1 counter on Gyre Sage.

Wojek Halberdiers

Creature - Human Soldier

Battalion - Whenever Wojek Halberdiers and at least two other creatures attack, Wojek Halberdiers gains first strike until end of turn.

Tired of Boros interference, the Rakdos unleashed hellraiser goblins, hoping their corpses would weigh down the halberds.

Skarrg Guildmage

Creature - Human Shaman

: Creatures you control gain trample until end of turn.

: Target land you control becomes a 4/4 Elemental creature until end of turn. It's still a land.

Sunhome Guildmage

Creature - Human Wizard

: Creatures you control get +1/+0 until end of turn.

: Put a 1/1 red and white Soldier creature token with haste onto the battlefield.

Metropolis Sprite

Creature - Faerie Rogue

Flying

: Metropolis Sprite gets +1/-1 until end of turn.

"Well, if that goblin didn't want his tongue pierced, he shouldn't have stuck it out at me."

Skinbrand Goblin

Creature - Goblin Warrior

Bloodrush - , Discard Skinbrand Goblin: Target attacking creature gets +2/+1 until end of turn.

"These Gruul skin-runes-discern whether their patterns evoke streets, leylines, or both. You have four days."
-Niv-Mizzet, to his assistant

Vizkopa Guildmage

Creature - Human Wizard

: Target creature gains lifelink until end of turn.

: Whenever you gain life this turn, each opponent loses that much life.

High Priest of Penance

Creature - Human Cleric

Whenever High Priest of Penance is dealt damage, you may destroy target nonland permanent.

"All I require is faith, loyalty, obedience, trust, and complete and utter devotion."

Basilica Screecher

Creature - Bat

Flying

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

A screech in the night is all it takes for Orzhov debtors to clutch at their coin purses.

Sage's Row Denizen

Creature - Vedalken Wizard

Whenever another blue creature enters the battlefield under your control, target player puts the top two cards of his or her library into his or her graveyard.

"I offer you wisdom untainted by false loyalty, learning free of any guild's agenda."

Biovisionary

Creature - Human Wizard

At the beginning of the end step, if you control four or more creatures named Biovisionary, you win the game.

He tired of his fellow researchers and their useless prattling, so he decided to make a network of scholars with whom he could carry a conversation.

Armored Transport

Artifact Creature - Construct

Prevent all combat damage that would be dealt to Armored Transport by creatures blocking it.

"If only our jails were as secure."
-Arrester Lavinia, Tenth Precinct