Black creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

Whenever Ayara, First of Locthwain or another black creature enters the battlefield under your control, each opponent loses 1 life and you gain 1 life. {T}, Sacrifice another black creature: Draw a card.

Carrion Feeder can't block. Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.

Whenever another creature you control dies, draw a card if it was attacking. Otherwise, Garna, Bloodfist of Keld deals 1 damage to each opponent.

At the beginning of combat on your turn, create a 2/1 red Elemental creature token with trample and haste. Sacrifice it at the beginning of the next end step. {T}: Search your library for a card, put it into your hand, then shuffle. Activate only if five or more creatures died this turn.

At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Lifelink Blood Chalice — Whenever another creature you control dies, Sanguinary Priest deals 1 damage to any target.

You draw two cards and you lose 2 life.

Target player draws two cards and loses 2 life.

As Species Specialist enters the battlefield, choose a creature type. Whenever a creature of the chosen type dies, you may draw a card.

Whenever a creature is dealt damage, destroy it. It can't be regenerated.

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile target player's graveyard. {T}: Add {B}.

({T}: Add {B} or {R}.) Canyon Slough enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add one mana of any color in your commander's color identity.

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

{T}: Add one mana of any color that a land an opponent controls could produce.

As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped. {T}: Add {B} or {R}.

Mortuary Mire enters the battlefield tapped. When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library. {T}: Add {B}.

({T}: Add {R}.)

Path of Ancestry enters the battlefield tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Rakdos Carnarium enters the battlefield tapped. When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{R}.

{1}, {T}: Add {B}{R}.

({T}: Add {B} or {R}.) Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

{T}: Add {C}. {T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {B} or {R}. Activate only if you control a Swamp.

Temple of Malice enters the battlefield tapped. When Temple of Malice enters the battlefield, scry 1. {T}: Add {B} or {R}.

When Chittering Rats enters the battlefield, target opponent puts a card from their hand on top of their library.

Menace (This creature can't be blocked except by two or more creatures.) When Edgewall Pack enters the battlefield, create a 1/1 black Rat creature token with "This creature can't block."

Creatures you control get +2/+0 until end of turn. Whenever a nontoken creature you control dies this turn, create a 1/1 black Rat creature token with "This creature can't block."

Buyback {4} (You may pay an additional {4} as you cast this spell. If you do, put this card into your hand as it resolves.) Create a 1/1 black Rat creature token.

When Lord Skitter's Butcher enters the battlefield, choose one — • Create a 1/1 black Rat creature token with "This creature can't block." • You may sacrifice another creature. If you do, scry 2, then draw a card. • Creatures you control gain menace until end of turn.

Menace Whenever Ogre Chitterlord enters the battlefield or attacks, create two 1/1 black Rat creature tokens with "This creature can't block." Then if you control five or more Rats, each Rat you control gets +2/+0 until end of turn.

Up to one target creature gets -1/-1 until end of turn. You create a 1/1 black Rat creature token with "This creature can't block."

Menace When Redcap Gutter-Dweller enters the battlefield, create two 1/1 black Rat creature tokens with "This creature can't block." At the beginning of your upkeep, you may sacrifice another creature. If you do, put a +1/+1 counter on Redcap Gutter-Dweller and exile the top card of your library. You may play that card this turn.

Create X 1/1 black Rat creature tokens with "This creature can't block." Creatures you control gain haste until end of turn.

Tangled Colony can't block. When Tangled Colony dies, create X 1/1 black Rat creature tokens with "This creature can't block," where X is the amount of damage dealt to it this turn.

When Twisted Sewer-Witch enters the battlefield, create a 1/1 black Rat creature token with "This creature can't block." Then for each Rat you control, create a Wicked Role token attached to that Rat. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.)

Until end of turn, target creature gets +1/+0 and gains indestructible. (Damage and effects that say "destroy" don't destroy it.)

{T}: Add one mana of any color in your commander's color identity.

Charcoal Diamond enters the battlefield tapped. {T}: Add {B}.

Add {B}{B}{B}.

{T}: Add one mana of any color that a land an opponent controls could produce.

As Heraldic Banner enters the battlefield, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color.

Nyx Lotus enters the battlefield tapped. {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

As Adaptive Automaton enters the battlefield, choose a creature type. Adaptive Automaton is the chosen type in addition to its other types. Other creatures you control of the chosen type get +1/+1.

Black creatures get +1/+1.

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Target opponent loses 1 life for each attacking creature you control. You gain that much life.

When Gothmog, Morgul Lieutenant enters the battlefield, amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.) Creature tokens you control have deathtouch.

Each opponent loses 1 life for each creature you control.

As Hall of Triumph enters the battlefield, choose a color. Creatures you control of the chosen color get +1/+1.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Other Rats you control have toxic 1. When Karumonix enters the battlefield, look at the top five cards of your library. You may reveal any number of Rat cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order.

Whenever another Rat enters the battlefield under your control, exile up to one target card from an opponent's graveyard. At the beginning of combat on your turn, create a 1/1 black Rat creature token with "This creature can't block."

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.

Flying Whenever you create or sacrifice a token, each opponent loses 1 life.

Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token. Rats you control have deathtouch.

Pack Rat's power and toughness are each equal to the number of Rats you control. {2}{B}, Discard a card: Create a token that's a copy of Pack Rat.

Pestilence Rats's power is equal to the number of other Rats on the battlefield. (For example, as long as there are two other Rats on the battlefield, Pestilence Rats's power and toughness are 2/3.)

Rats you control have menace. {1}{B}, {T}: Create a 1/1 black Rat creature token. {2}{B}{B}, {T}, Sacrifice three Rats: Gain control of target creature.

Whenever a creature you control with power 2 or less attacks, Raid Bombardment deals 1 damage to the player or planeswalker that creature is attacking.

Rat Colony gets +1/+0 for each other Rat you control. A deck can have any number of cards named Rat Colony.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) At the beginning of your upkeep, you may search your library for a Rat card, reveal it, put it into your hand, then shuffle.

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Swarm of Rats's power is equal to the number of Rats you control.

Sacrifice any number of artifacts, enchantments, and/or tokens. Return that many creature cards from your graveyard to the battlefield.

Return target creature card with mana value 3 or less from your graveyard to the battlefield. Cycling {2} ({2}, Discard this card: Draw a card.)

As an additional cost to cast this spell, sacrifice a creature or pay {3}{B}. Exile target creature or planeswalker.

Destroy target nonartifact creature.

Destroy six target creatures.

Destroy target creature. You lose 2 life.

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

Destroy target creature with mana value 3 or less. If it's your turn, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Whenever Charging Hooligan attacks, it gets +1/+0 until end of turn for each attacking creature. If a Rat is attacking, Charging Hooligan gains trample until end of turn.

When Chittering Witch enters the battlefield, create a number of 1/1 black Rat creature tokens equal to the number of opponents you have. {1}{B}, Sacrifice a creature: Target creature gets -2/-2 until end of turn.

Haste When Hellhole Rats enters the battlefield, target player discards a card. Hellhole Rats deals damage to that player equal to that card's mana value.

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

Flying At the beginning of each end step, if a creature died this turn, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") {2}{B}, Sacrifice another creature or artifact: Old Flitterfang gets +2/+2 until end of turn.

As an additional cost to cast this spell, you may sacrifice one or more creatures. When you do, copy this spell for each creature sacrificed this way. You draw a card and you lose 1 life.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Return up to two target creature cards from your graveyard to your hand. If this spell was bargained, you may put one of those cards with mana value 4 or less onto the battlefield instead of putting it into your hand.

When Experimental Confectioner enters the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") Whenever you sacrifice a Food, create a 1/1 black Rat creature token with "This creature can't block."

Frantic Firebolt deals X damage to target creature, where X is 2 plus the number of cards in your graveyard that are instant cards, sorcery cards, and/or have an Adventure.

When Hopeless Nightmare enters the battlefield, each opponent discards a card and loses 2 life. When Hopeless Nightmare is put into a graveyard from the battlefield, scry 2. {2}{B}: Sacrifice Hopeless Nightmare.

If Leyline of Lightning is in your opening hand, you may begin the game with it on the battlefield. Whenever you cast a spell, you may pay {1}. If you do, Leyline of Lightning deals 1 damage to target player or planeswalker.

When Merry Bards enters the battlefield, you may pay {1}. When you do, create a Young Hero Role token attached to target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature has "Whenever this creature attacks, if its toughness is 3 or less, put a +1/+1 counter on it.")

Each player chooses a creature type. Each player returns all creature cards of a type chosen this way from their graveyard to the battlefield.

The second spell you cast each turn costs {1} less to cast. Celebration — At the beginning of combat on your turn, if two or more nonland permanents entered the battlefield under your control this turn, target creature you control gets +1/+1 until end of turn.

Each opponent sacrifices a creature or planeswalker with the highest mana value among creatures and planeswalkers they control.

When Spiteful Hexmage enters the battlefield, create a Cursed Role token attached to target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature is 1/1.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Destroy target creature an opponent controls with mana value 2 or less. II — Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") III — Create a Wicked Role token attached to target creature you control.

{1}{R}, Sacrifice another creature: Tymaret, the Murder King deals 2 damage to target player or planeswalker. {1}{B}, Sacrifice a creature: Return Tymaret from your graveyard to your hand.

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

Haste As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.

Ghired's Belligerence deals X damage divided as you choose among any number of target creatures. Whenever a creature dealt damage this way dies this turn, populate. (Create a token that's a copy of a creature token you control.)

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

When Lord Skitter's Blessing enters the battlefield, create a Wicked Role token attached to target creature you control. (Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.) At the beginning of your draw step, if you control an enchanted creature, you lose 1 life and you draw an additional card.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

At the beginning of your upkeep, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand.

{T}, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature. You add {B}{B} and draw a card.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) If this spell was bargained, look at the top four cards of your library, then put up to two of them back on top of your library in any order and the rest into your graveyard. You draw two cards and you lose 2 life.

Squad—Exile four cards from your graveyard. (As an additional cost to cast this spell, you may pay its squad cost any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.) Menace (This creature can't be blocked except by two or more creatures.)

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

Destroy target artifact you don't control. Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

As Vanquisher's Banner enters the battlefield, choose a creature type. Creatures you control of the chosen type get +1/+1. Whenever you cast a creature spell of the chosen type, draw a card.