Commander creatures you own have menace and "This creature gets +X/+0, where X is the number of creature cards in your graveyard." (A creature with menace can't be blocked except by two or more creatures.)

When Dusk Legion Zealot enters the battlefield, you draw a card and you lose 1 life.

Target player draws two cards and loses 2 life. Adamant — If at least three black mana was spent to cast this spell, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Deathtouch When Guildsworn Prowler dies, if it wasn't blocking, draw a card.

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

When Phyrexian Gargantua enters the battlefield, you draw two cards and you lose 2 life.

When Phyrexian Rager enters the battlefield, you draw a card and you lose 1 life.

You draw two cards, lose 2 life, then create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")

Scry 2, then draw two cards. You lose 2 life.

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

When Rampaging Spiketail enters the battlefield, target creature you control gets +2/+0 and gains indestructible until end of turn. Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Troll of Khazad-dûm can't be blocked except by three or more creatures. Swampcycling {1} ({1}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

{B}: Regenerate Twisted Abomination. Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Undergrowth — When Lotleth Giant enters the battlefield, it deals 1 damage to target opponent for each creature card in your graveyard.

Equipped creature has vigilance, trample, and haste. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) When Azra Smokeshaper enters the battlefield, target creature you control gains indestructible until end of turn.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control and you create a Treasure token." (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Until end of turn, target creature gets +1/+0 and gains lifelink and "When this creature dies, return it to the battlefield tapped under its owner's control."

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

When Bronze Walrus enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) {T}: Add one mana of any color.

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

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

Whenever Hoard Robber deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}: Add {B}. {1}{B}{B}, {T}, Sacrifice Infernal Idol: You draw two cards and you lose 2 life.

{T}: Add {B}.

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

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

When Blood Fountain enters the battlefield, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") {3}{B}, {T}, Sacrifice Blood Fountain: Return up to two target creature cards from your graveyard to your hand.

Return X target creature cards from your graveyard to your hand.

When Gravedigger enters the battlefield, you may return target creature card from your graveyard to your hand.

When Haunt of the Dead Marshes enters the battlefield, scry 1. {2}{B}: Return Haunt of the Dead Marshes from your graveyard to the battlefield tapped. Activate only if you control a legendary creature.

Return up to two target creature cards from your graveyard to your hand, then discard a card.

{2}{B}: Return Persistent Specimen from your graveyard to the battlefield tapped.

{2}{B}: Return Sanitarium Skeleton from your graveyard to your hand.

When Baleful Beholder enters the battlefield, choose one — • Antimagic Cone — Each opponent sacrifices an enchantment. • Fear Ray — Creatures you control gain menace until end of turn. (A creature with menace can't be blocked except by two or more creatures.)

Animate Chains — When Chain Devil enters the battlefield, each player sacrifices a nontoken creature.

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

Target creature gets -1/-1 until end of turn for each Swamp you control.

When Ghastly Death Tyrant enters the battlefield, choose one — • Disintegration Ray — Destroy target enchantment an opponent controls. You lose life equal to its mana value. • Death Ray — Creatures you control gain deathtouch until end of turn.

Destroy target nonartifact creature.

Destroy target creature.

{1}, Sacrifice another creature: Legion Vanguard explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

{3}, Sacrifice a creature or planeswalker: You gain 1 life and draw a card.

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

{B}, Sacrifice another creature or artifact: Put a +1/+1 counter on Vito's Inquisitor. It gains menace until end of turn.

Flying Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Vulturous Aven exploits a creature, you draw two cards and you lose 2 life.

At the beginning of your end step, if you descended this turn, create a 1/1 black Fungus creature token with "This creature can't block." (You descended if a permanent card was put into your graveyard from anywhere.)

Whenever you sacrifice another permanent, put a +1/+1 counter on Gixian Infiltrator.

Whenever a player sacrifices a creature, you may put a +1/+1 counter on Mortician Beetle.

Flying Whenever one or more permanents you control leave the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

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.)

{T}: Add one mana of any color.

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

Creatures target player controls get -2/-2 until end of turn.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Barren Moor enters the battlefield tapped. {T}: Add {B}. Cycling {B} ({B}, Discard this card: Draw a card.)

All Slivers have "Sacrifice this permanent: Add {B}{B}."

{T}, Sacrifice Basal Thrull: Add {B}{B}.

Sacrifice Blood Vassal: Add {B}{B}.

{1}, {T}, Sacrifice another creature: You gain life equal to the sacrificed creature's toughness. Draw a card.

Discard a card: Cabal Initiate gains lifelink until end of turn. Threshold — Cabal Initiate gets +1/+2 as long as seven or more cards are in your graveyard.

Destroy target nonlegendary creature.

{1}, {T}, Sacrifice another creature: Draw a card, then create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Equipped creature has flying and haste. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +1/+0 for each artifact you control. {B}{B}: Attach Cranial Plating to target creature you control. Equip {1}

When Demon's Disciple enters the battlefield, each player sacrifices a creature or planeswalker.

Scry 2, then draw two cards. You lose 2 life.

Desert of the Glorified enters the battlefield tapped. {T}: Add {B}. Cycling {1}{B} ({1}{B}, Discard this card: Draw a card.)

Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard. You gain life equal to the greatest power among creature cards put into your graveyard this way.

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When Driver of the Dead dies, return target creature card with mana value 2 or less from your graveyard to the battlefield.

{4}{B}: Return Durable Coilbug from your graveyard to your hand.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

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

Equipped creature has flying and haste. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.

Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.) Backup 2 (When this creature enters the battlefield, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.) Menace

As an additional cost to cast this spell, you may exile any number of creature cards from your graveyard. This spell costs {2} less to cast for each card exiled this way. Deathtouch Whenever Gorex, the Tombshell attacks or dies, choose a card at random exiled with Gorex and put that card into its owner's hand.

Whenever you cycle or discard a card, Grisly Survivor gets +2/+0 until end of turn.

At the beginning of your end step, if an artifact or creature was put into a graveyard from the battlefield this turn, put a +1/+1 counter on Ichor Shade.

When Injector Crocodile dies, incubate 3. (Create an Incubator token with three +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Exile target nonland permanent. Its controller draws a card.

Liliana's Elite gets +1/+1 for each creature card in your graveyard.

When Lost Legion enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

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

Discard a card: Olivia's Dragoon gains flying until end of turn.

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

Discard a card, Sacrifice Overeager Apprentice: Add {B}{B}{B}.

This spell costs {1} less to cast for each creature card in your graveyard. Exile target creature or planeswalker.

When Pit Keeper enters the battlefield, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand.

Whenever you cycle or discard a card, Pitiless Vizier gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.)

Polluted Mire enters the battlefield tapped. {T}: Add {B}. Cycling {2} ({2}, Discard this card: Draw a card.)

Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

Target creature gets +1/+0 and gains lifelink and indestructible until end of turn. (Damage dealt by that creature also causes its controller to gain that much life, and it can't be destroyed by damage or effects that say "destroy.")

When Seekers' Squire enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

{T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

{T}, Sacrifice a black or artifact creature: Add an amount of {B} equal to the sacrificed creature's mana value.

Flying Stirge can't block. Blood Drain — {1}{B}, Pay 1 life, Sacrifice Stirge: Draw a card.

When Thieves' Tools enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Equipped creature can't be blocked as long as its power is 3 or less. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

{3}, {T}, Sacrifice another creature or artifact: Draw a card.

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.) Equip {2}

Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.) Cycling {2} ({2}, Discard this card: Draw a card.)

{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.