{B}{B}: Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) As long as this card is in your graveyard and you control a Swamp, creatures you control have swampwalk.

Equipped creature can't be blocked except by Walls. Equip {2}

Equipped creature gets +2/+0 and has first strike, vigilance, trample, and haste. Equip {3}

Equipped creature gets +1/+1 for each land you control. Equip legendary creature {3} Equip {7}

Target creature gets +X/+0 until end of turn.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1 for each Swamp you control. Equip {B/P}{B/P} ({B/P} can be paid with either {B} or 2 life.)

Equipped creature gets +1/+1 for each Swamp you control. Equip—Pay 3 life. (Pay 3 life: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)

Each opponent loses X life. You gain life equal to the life lost this way.

As this artifact enters, 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.

This artifact enters tapped. {T}: Add {B}.

This artifact enters tapped. As this artifact enters, choose a color. {T}: Add one mana of the chosen color.

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}.

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

Korlash's power and toughness are each equal to the number of Swamps you control. {1}{B}: Regenerate Korlash. Grandeur — Discard another card named Korlash, Heir to Blackblade: Search your library for up to two Swamp cards, put them onto the battlefield tapped, then shuffle.

+1: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle. −3: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control. −6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}.'"

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

{T}: Add {B}. Sacrifice this artifact: Add {B}.

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

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Imprint — When this creature enters, you may exile target nontoken creature. As long as a card exiled with this creature is a creature card, this creature has the power, toughness, and creature types of the last creature card exiled with it. It's still a Shapeshifter.

Squelching Leeches's power and toughness are each equal to the number of Swamps you control.

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Return target artifact card from your graveyard to your hand.

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

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

Dark Depths enters with ten ice counters on it. {3}: Remove an ice counter from Dark Depths. When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: 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}. {4}, {T}: Target creature can't be blocked this turn.

{T}: Add {C}. {1}{S}, {T}: Look at the top card of your library. If that card is snow, you may reveal it and put it into your hand. ({S} can be paid with one mana from a snow source.)

({T}: Add {B}.)

Exile two target nonartifact creatures. Ashes to Ashes deals 5 damage to you.

Spend only black mana on X. Consume Spirit deals X damage to any target and you gain X life.

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

Destroy all creatures. Each player loses life equal to the number of creatures they controlled that were destroyed this way.

Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way. Cycling {3}{B}{B} ({3}{B}{B}, Discard this card: Draw a card.) When you cycle this card, all creatures get -2/-2 until end of turn.

({B/P} can be paid with either {B} or 2 life.) Target creature gets -5/-5 until end of turn.

Spend only black mana on X. Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Destroy target creature or planeswalker.

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

Destroy all creatures, then return a creature card put into a graveyard this way to the battlefield under your control. It's a black Zombie in addition to its other colors and types. Exile Necromantic Selection.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment. {B}: This enchantment deals 1 damage to each creature and each player.

Choose two — • Target player loses X life. • Return target creature card with mana value X or less from your graveyard to the battlefield. • Target creature gets -X/-X until end of turn. • Up to X target creatures gain fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)

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.

Spend only black and/or red mana on X. Soul Burn deals X damage to any target. You gain life equal to the damage dealt, but not more than the amount of {B} spent on X, the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Exile X target cards from target player's graveyard. For each card exiled this way, that player loses 1 life and you gain 1 life.

As an additional cost to cast this spell, pay 3 life. Counter target creature spell.

Look at the top four cards of your library. Put two of them into your hand and the rest into your graveyard. You lose 2 life.

Target player draws X cards and loses X life.

Look at the top five cards of your library. For each card, put that card into your graveyard unless you pay 2 life. Then put the rest into your hand.

Skip your draw step. Whenever you discard a card, exile that card from your graveyard. Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

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