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

As Caged Sun enters the battlefield, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

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

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

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

Black spells you cast cost {1} less to cast.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Manascape Refractor enters the battlefield tapped. Manascape Refractor has all activated abilities of all lands on the battlefield. You may spend mana as though it were mana of any color to pay the activation costs of Manascape Refractor's abilities.

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

{T}: Add one mana of any color among legendary creatures and planeswalkers you control.

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

When Soul-Guide Lantern enters the battlefield, exile target card from a graveyard. {T}, Sacrifice Soul-Guide Lantern: Exile each opponent's graveyard. {1}, {T}, Sacrifice Soul-Guide Lantern: Draw a card.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

If a player would draw a card, that player exiles that card face up instead. Each player may play lands and cast spells from among cards they exiled with Uba Mask this turn.

At the beginning of each player's upkeep, if that player has no cards in hand, you draw a card and you lose 1 life. Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

When Burglar Rat enters the battlefield, each opponent discards a card.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Whenever you tap a Swamp for mana, add an additional {B}.

At the beginning of your upkeep, each player discards a card.

Whenever a Swamp enters the battlefield under your control, choose one — • You draw a card and you lose 1 life. • Dread Presence deals 2 damage to any target and you gain 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.)

Flying When Liliana's Specter enters the battlefield, each opponent discards a card.

When Miasmic Mummy enters the battlefield, each player discards a card.

When Mindslicer dies, each player discards their hand.

Myojin of Night's Reach enters the battlefield with a divinity counter on it if you cast it from your hand. Myojin of Night's Reach has indestructible as long as it has a divinity counter on it. Remove a divinity counter from Myojin of Night's Reach: Each opponent discards their hand.

Whenever you tap a Swamp for mana, add an additional {B}. {B}: Nirkana Revenant gets +1/+1 until end of turn.

When Plaguecrafter enters the battlefield, each player sacrifices a creature or planeswalker. Each player who can't discards a card.

Flying, haste Whenever Rankle, Master of Pranks deals combat damage to a player, choose any number — • Each player discards a card. • Each player loses 1 life and draws a card. • Each player sacrifices a creature.

When Rotting Rats enters the battlefield, each player discards a card. Unearth {1}{B} ({1}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

At the beginning of each player's upkeep, that player discards a card at random.

At the beginning of each player's upkeep, that player loses 1 life and discards a card. Hellbent — Skip your upkeep step if you have no cards in hand. Madness {2}{B}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

At the beginning of each player's upkeep, that player discards a card.

Whenever a player casts a spell, that player discards a card.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

Add {B}{B}{B}. Threshold — Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.

Add {B}{B}{B}.

If you control a commander, you may cast this spell without paying its mana cost. Exile target creature.

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost. Destroy target nonblack creature. It can't be regenerated.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

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

{2}, {T}: Add {B} for each Swamp you control.

{T}: Add {C}. {3}, {T}: Add {B} for each basic Swamp you control.

Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{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.)

({T}: Add {B}.)

Each land is a Swamp in addition to its other land types.

Each opponent discards two cards. If you control a Vampire, each opponent loses 2 life and you gain 2 life.

Each player discards all the cards in their hand, then creates that many 2/2 black Zombie creature tokens.

({2/B} can be paid with any two mana or with {B}. This card's mana value is 6.) Search your library for a card with mana value less than or equal to the number of lands you control, reveal it, put it into your hand, then shuffle.

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

Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.

Any number of target players each discard a number of cards equal to the highest mana value among permanents you control.

Destroy all creatures. They can't be regenerated.

Each player discards three cards.

Search your library for a card, put that card into your hand, then shuffle.

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

Target player discards two cards. Overload {1}{B} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

All creatures get -1/-1 until end of turn for each Swamp you control.

You draw two cards and you lose 2 life.

Target player discards a card. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

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

Each player loses 1 life, discards a card, sacrifices a creature, then sacrifices a land.

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

As an additional cost to cast this spell, pay X life. All creatures get -X/-X until end of turn.