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

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

{T}: Add {B}. Whenever a creature you control dies, put a corpse counter on Crowded Crypt. {4}{B}{B}, {T}, Sacrifice Crowded Crypt: Create a 2/2 black Zombie creature token with decayed for each corpse counter on Crowded Crypt. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

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

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

{T}: Add {C}. {1}, {T}: Add one mana of any color.

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

When Abyssal Gatekeeper dies, each player sacrifices a creature.

When Black Cat dies, target opponent discards a card at random.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When Blightbelly Rat dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

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

When Deadbridge Shaman dies, target opponent discards a card.

When Deathbloom Thallid dies, create a 1/1 green Saproling creature token.

Whenever another creature dies, you may gain 1 life.

When Dire Fleet Hoarder dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

When Doomed Dissenter dies, create a 2/2 black Zombie creature token.

When Dutiful Attendant dies, return another target creature card from your graveyard to your hand.

When Easterling Vanguard dies, 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.)

When Endless Cockroaches dies, return it to its owner's hand.

Epochrasite enters the battlefield with three +1/+1 counters on it if you didn't cast it from your hand. When Epochrasite dies, exile it with three time counters on it and it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they may cast this card without paying its mana cost. It has haste.)

When Etched Familiar dies, each opponent loses 2 life and you gain 2 life.

When Festering Mummy dies, you may put a -1/-1 counter on target creature.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) {1}{B}, Sacrifice another creature: Put two +1/+1 counters on Flesh Carver. When Flesh Carver dies, create an X/X black Horror creature token, where X is Flesh Carver's power.

When Gnawing Vermin enters the battlefield, target player mills two cards. When Gnawing Vermin dies, target creature you don't control gets -1/-1 until end of turn.

When Golgari Thug dies, put target creature card from your graveyard on top of your library. Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Whenever another nontoken creature you control dies, draw a card.

When Grim Physician dies, target creature an opponent controls gets -1/-1 until end of turn.

Flying Whenever you draw your second card each turn, put a +1/+1 counter on Gurgling Anointer. When Gurgling Anointer dies, return another target creature card with mana value less than or equal to Gurgling Anointer's power from your graveyard to the battlefield.

Whenever Headless Rider or another nontoken Zombie you control dies, create a 2/2 black Zombie creature token.

Deathtouch When Hobbling Zombie dies, create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

Iron Apprentice enters the battlefield with a +1/+1 counter on it. When Iron Apprentice dies, if it had counters on it, put those counters on target creature you control.

{T}: Add {B}.

{T}: Add {C}.

Whenever a nontoken creature you control dies, Midnight Reaper deals 1 damage to you and you draw a card.

When Myr Retriever dies, return another target artifact card from your graveyard to your hand.

When Nested Shambler dies, create X tapped 1/1 green Squirrel creature tokens, where X is Nested Shambler's power.

When Novice Occultist dies, you draw a card and you lose 1 life.

Flying {T}: Add one mana of any color.

Whenever a creature you control dies, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {T}: Add {C}.

When Shambling Ghast dies, choose one — • Brave the Stench — Target creature an opponent controls gets -1/-1 until end of turn. • Search the Body — Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature.

When Sparring Construct dies, put a +1/+1 counter on target creature you control.

When Splatter Goblin dies, target creature an opponent controls gets -1/-1 until end of turn.

When Sultai Emissary dies, manifest the top card of your library. (Put that card onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent. {1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)

When Tenacious Dead dies, you may pay {1}{B}. If you do, return it to the battlefield tapped under its owner's control.

Whenever Undead Augur or another Zombie you control dies, you draw a card and you lose 1 life.

Whenever Xathrid Necromancer or another Human creature you control dies, create a tapped 2/2 black Zombie creature token.

Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.

Attacking Pests you control get +1/+0 and have menace. Whenever a nontoken creature you control dies, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life."

{1}{B}{B}, Sacrifice a creature: Return target creature card from your graveyard to your hand.

Destroy target nonartifact creature.

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Destroy all creatures you don't control and all planeswalkers you don't control.

Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent or discards a card.