Marrow-Gnawer

All Rats have fear.
{T}, Sacrifice a Rat: Create X 1/1 black Rat creature tokens, where X is the number of Rats you control.

Razortooth Rats

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Whip Sergeant

{R}: Target creature gains haste until end of turn. (It can attack this turn.)

Don't Have

Hell's Caretaker

{T}, Sacrifice a creature: Return target creature card from your graveyard to the battlefield. Activate only during your upkeep.

Thought Courier

Primeval Shambler

{B}: This creature gets +1/+1 until end of turn.

Ravenous Rats

When this creature enters, target opponent discards a card.

Rogue Kavu

Whenever this creature attacks alone, it gets +2/+0 until end of turn.

Have

Archivist

Skullsnatcher

Ninjutsu {B} ({B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever this creature deals combat damage to a player, exile up to two target cards from that player's graveyard.

Dirty Wererat

{B}, Discard a card: Regenerate this creature.
Threshold — As long as seven or more cards are in your graveyard, this creature gets +2/+2 and can't block.

Sage of Lat-Nam

Coral Eel

Merchant of Secrets

Getting

Hulking Cyclops

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.

Karplusan Yeti

{T}: This creature deals damage equal to its power to target creature. That creature deals damage equal to its power to this creature.

Wind Drake

Rathi Dragon

Flying (This creature can't be blocked except by creatures with flying or reach.)
When this creature enters, sacrifice it unless you sacrifice two Mountains.

Abyssal Specter

Flying
Whenever this creature deals damage to a player, that player discards a card.

In Use

Goblin Piker

Hollow Dogs

Whenever this creature attacks, it gets +2/+0 until end of turn.

Mindslicer

When this creature dies, each player discards their hand.

Serpent Warrior

When this creature enters, you lose 3 life.

Rukh Egg

When this creature dies, create a 4/4 red Bird creature token with flying at the beginning of the next end step.

Bog Wraith

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Lesser Gargadon

Whenever this creature attacks or blocks, sacrifice a land.

Flowstone Crusher

{R}: This creature gets +1/-1 until end of turn.

Anarchist

When this creature enters, you may return target sorcery card from your graveyard to your hand.

Carrion Rats

Whenever this creature attacks or blocks, any player may exile a card from their graveyard. If a player does, this creature assigns no combat damage this turn.

Giant Octopus

Vampiric Spirit

Flying
When this creature enters, you lose 4 life.

Goblin Brigand

This creature attacks each combat if able.

Orcish Spy

{T}: Look at the top three cards of target player's library.

Two-Headed Dragon

Flying
Menace (This creature can't be blocked except by two or more creatures.)
This creature can block an additional creature each combat.
{1}{R}: This creature gets +2/+0 until end of turn.

Wall of Air

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Plague Beetle

Severed Legion

Mahamoti Djinn

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

Hypnotic Specter

Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

Anaba Shaman

{R}, {T}: This creature deals 1 damage to any target.

Temporal Adept

{U}{U}{U}, {T}: Return target permanent to its owner's hand.

Nekrataal

First strike
When this creature enters, destroy target nonartifact, nonblack creature. That creature can't be regenerated.

Ogre Taskmaster

Sandstone Warrior

First strike (This creature deals combat damage before creatures without first strike.)
{R}: This creature gets +1/+0 until end of turn.

Phyrexian Gargantua

When this creature enters, you draw two cards and you lose 2 life.

Nezumi Cutthroat

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
This creature can't block.

Bloodshot Cyclops

{T}, Sacrifice a creature: This creature deals damage equal to the sacrificed creature's power to any target.

Gluttonous Zombie

Deathgazer

Whenever this creature blocks or becomes blocked by a nonblack creature, destroy that creature at end of combat.

Sage Owl

Flying
When this creature enters, look at the top four cards of your library, then put them back in any order.

Fugitive Wizard

Giant Cockroach

Raging Goblin

Haste (This creature can attack and {T} as soon as it comes under your control.)

Spiketail Hatchling

Flying (This creature can't be blocked except by creatures with flying or reach.)
Sacrifice this creature: Counter target spell unless its controller pays {1}.

Dream Prowler

This creature can't be blocked as long as it's attacking alone.

Fighting Drake

Chittering Rats

When this creature enters, target opponent puts a card from their hand on top of their library.

Daring Apprentice

{T}, Sacrifice this creature: Counter target spell.

Will-o'-the-Wisp

Flying (This creature can't be blocked except by creatures with flying or reach.)
{B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Vizzerdrix

Royal Assassin

Dwarven Demolition Team

Lightning Elemental

Sage Aven

Flying (This creature can't be blocked except by creatures with flying or reach.)
When this creature enters, look at the top four cards of your library, then put them back in any order.

Horned Turtle

Puppeteer

{U}, {T}: You may tap or untap target creature.

Shard Phoenix

Flying (This creature can't be blocked except by creatures with flying or reach.)
Sacrifice this creature: It deals 2 damage to each creature without flying.
{R}{R}{R}: Return this card from your graveyard to your hand. Activate only during your upkeep.

Nezumi Bone-Reader

{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery.

Coastal Hornclaw

Sacrifice a land: This creature gains flying until end of turn.

Maggot Carrier

When this creature enters, each player loses 1 life.

Tidal Kraken

Sea Monster

This creature can't attack unless defending player controls an Island.

Azure Drake

Deepwood Ghoul

Wall of Stone

Goblin King

Other Goblins get +1/+1 and have mountainwalk.

Carrion Wall

Defender (This creature can't attack.)
{1}{B}: Regenerate this creature.

Sea Eagle

Wanderguard Sentry

When this creature enters, look at target opponent's hand.

Magnivore

Haste (This creature can attack and {T} as soon as it comes under your control.)
Magnivore's power and toughness are each equal to the number of sorcery cards in all graveyards.

Thundermare

Haste (This creature can attack and {T} as soon as it comes under your control.)
When this creature enters, tap all other creatures.

Clone

You may have this creature enter as a copy of any creature on the battlefield.

Goblin Chariot

Shock Troops

Sacrifice this creature: It deals 2 damage to any target.

Goblin Mountaineer

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Aven Windreader

Flying (This creature can't be blocked except by creatures with flying or reach.)
{1}{U}: Target player reveals the top card of their library.

Goblin Raider

Viashino Sandstalker

Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, return this creature to its owner's hand. (Return it only if it's on the battlefield.)

Flowstone Shambler

Highway Robber

When this creature enters, target opponent loses 2 life and you gain 2 life.

Nantuko Husk

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

Drudge Skeletons

{B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Orcish Artillery

{T}: This creature deals 2 damage to any target and 3 damage to you.

Balduvian Barbarians

Fleeting Image

Flying (This creature can't be blocked except by creatures with flying or reach.)
{1}{U}: Return this creature to its owner's hand.

Gravedigger

When this creature enters, you may return target creature card from your graveyard to your hand.

Hill Giant

Goblin Glider

Foul Imp

Flying
When this creature enters, you lose 2 life.

Sabretooth Tiger

Lord of the Undead

Other Zombie creatures get +1/+1.
{1}{B}, {T}: Return target Zombie card from your graveyard to your hand.

Goblin Sky Raider

Cinder Wall

Defender
When this creature blocks, destroy it at end of combat.

Western Paladin

{B}{B}, {T}: Destroy target white creature.

This creature can't attack unless a creature with greater power also attacks.
This creature can't block unless a creature with greater power also blocks.

Imaginary Pet

At the beginning of your upkeep, if you have a card in hand, return this creature to its owner's hand.

Air Elemental

Thieving Magpie

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever this creature deals damage to an opponent, draw a card.

Sneaky Homunculus

This creature can't block or be blocked by creatures with power 2 or greater.

Phantom Warrior

Lumengrid Warden

Bog Imp

Aven Fisher

Flying (This creature can't be blocked except by creatures with flying or reach.)
When this creature dies, you may draw a card.

Fallen Angel

Flying
Sacrifice a creature: This creature gets +2/+1 until end of turn.

Storm Crow

Nightmare

Flying (This creature can't be blocked except by creatures with flying or reach.)
Nightmare's power and toughness are each equal to the number of Swamps you control.

Crypt Rats

{X}: This creature deals X damage to each creature and each player. Spend only black mana on X.

Bloodfire Colossus

{R}, Sacrifice this creature: It deals 6 damage to each creature and each player.