Tsabo Tavoc (black-red)

Akoum Refuge enters the battlefield tapped.

When Akoum Refuge enters the battlefield, you gain 1 life.

{T}: Add {B} or {R}.

Flying

At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.

Other black creatures you control get +1/+1.

Other red creatures you control get +1/+1.

Whenever Ashenmoor Liege becomes the target of a spell or ability an opponent controls, that player loses 4 life.

{B}, Sacrifice a creature: Destroy target nonblack creature.

({T}: Add {B} or {R}.)

As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Bloodfell Caves enters the battlefield tapped.

When Bloodfell Caves enters the battlefield, you gain 1 life.

{T}: Add {B} or {R}.

Destroy all Islands.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.)

Equipped creature gets +X/+X, where X is the number of creature cards in all graveyards.

Equip {2}

Bonfire of the Damned deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

Miracle {X}{R} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Destroy all creatures. Lands you control don't untap during your next untap step.

Gain control of all permanents you own. (This effect lasts indefinitely.)

Cycling {2} ({2}, Discard this card: Draw a card.)

Flying

Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

{3}{R}: Gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn. Activate this ability only any time you could cast a sorcery.

When Chaos Maw enters the battlefield, it deals 3 damage to each other creature.

Creatures with flying can block only creatures with flying.

Creatures without flying have reach. (They can block creatures with flying.)

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

Target player sacrifices a creature. You gain life equal to that creature's toughness.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Indestructible

Whenever Creepy Doll deals combat damage to a creature, flip a coin. If you win the flip, destroy that creature.

Enchant player

If a source would deal damage to enchanted player, it deals double that damage to that player instead.

Activated abilities of creatures can't be activated.

Cut deals 4 damage to target creature.

{4}{B}{B}: Exile target creature and put a +1/+1 counter on Dark Impostor.

Dark Impostor has all activated abilities of all creature cards exiled with it.

Dormant Volcano enters the battlefield tapped.

When Dormant Volcano enters the battlefield, sacrifice it unless you return an untapped Mountain you control to its owner's hand.

{T}: Add {C}{R}.

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.

{T}: Add {B} or {R}.

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

Whenever a creature deals damage to you, destroy it.

When Dread is put into a graveyard from anywhere, shuffle it into its owner's library.

Target player loses life equal to the damage already dealt to that player this turn.

{1}: The next time an unblocked creature of your choice would deal combat damage to you this turn, prevent all but 1 of that damage.

{T}: Add {C}.

{T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle their library.

If a creature you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, Harsh Mentor deals 2 damage to that player.

Destroy six target creatures.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy.

Equip {3}

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Damage can't be prevented this turn. If a source you control would deal damage this turn, it deals double that damage instead.

Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.

Inspired — Whenever King Macar, the Gold-Cursed becomes untapped, you may exile target creature. If you do, create a Gold token. (It's an artifact with "Sacrifice this artifact: Add one mana of any color.")

{T}: Add {B} or {R}.

{4}{B}{R}: Kolaghan Monument becomes a 4/4 black and red Dragon artifact creature with flying until end of turn.

If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add {B}.

{T}, Sacrifice a Swamp: Add {B}{B}{B}{B}.

{1}{R}, {T}: Put a mine counter on target land.

Whenever a land with a mine counter on it becomes tapped, destroy it.

When Mine Layer leaves the battlefield, remove all mine counters from all lands.

Indestructible

As long as your devotion to black and red is less than seven, Mogis isn't a creature.

At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature.

At the beginning of your upkeep, if twenty or more creature cards are in your graveyard, you win the game.

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}.)

Whenever Nefashu attacks, up to five target creatures each get -1/-1 until end of turn.

{T}: Add {C}.

{2}, {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.)

Whenever another creature enters the battlefield under your control, that creature gets +2/+0 and gains haste until end of turn. (It can attack and {T} this turn.)

At the beginning of each upkeep, if you control no Snakes, create a 1/1 black Snake creature token with deathtouch.

Trample

Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents.

As Phyrexian Revoker enters the battlefield, choose a nonland card name.

Activated abilities of sources with the chosen name can't be activated.

Your life total can't change. (You can't gain or lose life. You can't pay any amount of life except 0.)

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

Choose one —

• Counter target spell if it's blue.

• Destroy target permanent if it's blue.

Creatures you control have double strike.

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}.

Rakdos Guildgate enters the battlefield tapped.

{T}: Add {B} or {R}.

Menace

Players can't gain life.

Whenever another creature enters the battlefield, Rampaging Ferocidon deals 1 damage to that creature's controller.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its converted mana cost.

Flying

Morbid — At the beginning of each end step, if a creature died this turn, destroy target non-Demon creature.

Put all creature cards from all graveyards onto the battlefield under your control.

{T}: Add {C}.

{1}{B}{R}, {T}: Each player discards a card. Activate this ability only any time you could cast a sorcery.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.)

Equipped creature gets +1/+1.

Whenever equipped creature deals combat damage to a player, that player loses half their life, rounded up.

Equip {3}

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

({T}: Add {B} or {R}.)

Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle your library.

When Solemn Simulacrum dies, you may draw a card.

Trample

{5}: Permanents you control gain indestructible until end of turn.

{5}, Exile Soul of New Phyrexia from your graveyard: Permanents you control gain indestructible until end of turn.

Haste

Whenever another creature you control dies, it deals damage equal to its power to target player or planeswalker.

Your opponents can't search libraries.

If an opponent would begin an extra turn, that player skips that turn instead.

({T}: Add {B}.)

Whenever a creature enters the battlefield, its controller sacrifices a creature or land.

If an opponent would gain life, that player loses that much life instead.

Whenever a creature deals damage to Tephraderm, Tephraderm deals that much damage to that creature.

Whenever a spell deals damage to Tephraderm, Tephraderm deals that much damage to that spell's controller.

Destroy target creature. It can't be regenerated.

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

When Thundermare enters the battlefield, tap all other creatures.

First strike, protection from legendary creatures

{B}{B}, {T}: Destroy target legendary creature. It can't be regenerated.

Choose a creature type. Target player reveals their hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated.

Enchant creature

At the beginning of the upkeep of enchanted creature's controller, Unnatural Hunger deals damage equal to that creature's power to that player unless they sacrifice another creature.

Whenever you cast your first spell each turn, choose an opponent at random. Vial Smasher the Fierce deals damage equal to that spell's converted mana cost to that player or a planeswalker that player controls.

Partner (You can have two commanders if both have partner.)

Destroy target land and all other lands with the same name as that land.

Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target.

At the beginning of each end step, each opponent loses life equal to the life they lost this turn. (Damage causes loss of life.)