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

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

Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: This artifact deals 50 damage to any target.

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

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

Whenever a player casts a black spell, you may gain 1 life.

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

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

{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put this artifact on top of its owner's library.

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

Whenever you cast a black spell or a Swamp you control enters, you gain 1 life.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature has nonbasic landwalk. (It can't be blocked as long as defending player controls a nonbasic land.) Equip {2}

When this creature enters, each player sacrifices a nontoken creature of their choice.

Sacrifice this creature: Add {B}.

At the beginning of your upkeep, this creature deals 1 damage to each opponent. You gain life equal to the damage dealt this way.

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}.

When this creature enters, 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 Kokusho dies, each opponent loses 5 life. You gain life equal to the life lost this way.

Menace When Massacre Girl enters, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.

Menace When this creature enters, you may destroy another target creature. If a creature is destroyed this way, you gain life equal to its toughness.

Prototype {1}{B}{B} — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Menace, lifelink Ward—Pay life equal to this creature's power.

Trample Whenever a source deals damage to this creature, that source's controller sacrifices that many permanents of their choice.

Flying When this creature enters, if you cast it from your hand, destroy all nonartifact, nonblack creatures. They can't be regenerated.

Deathtouch Whenever you draw a card, you gain 2 life. Whenever an opponent draws a card, they lose 2 life.

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 of their choice.

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.) {T}, Pay 2 life: Remove a counter from target nonland permanent.

Flying Ward—Sacrifice a creature. Whenever a creature dies, target opponent loses 2 life and you gain 2 life.

Each player discards all the cards in their hand, then draws that many cards minus one.

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

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

Target opponent sacrifices a creature of their choice. If they can't, they lose 2 life and you draw a card. Then repeat this process for an enchantment and a planeswalker.

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

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

Each player's life total becomes the lowest life total among all players.

Target player draws two cards and loses 2 life.

Whenever a creature dies, put a charge counter on this enchantment. At the beginning of your first main phase, add {B} for each charge counter on this enchantment.

Whenever you pay life, put that many blood counters on this enchantment. {1}{B}, Remove four blood counters from this enchantment: Destroy target creature.

{B}, Pay 2 life: Draw a card.

When Meathook Massacre II enters, each player sacrifices X creatures of their choice. Whenever a creature you control dies, you may pay 3 life. If you do, return that card under your control with a finality counter on it. Whenever a creature an opponent controls dies, they may pay 3 life. If they don't, return that card under your control with a finality counter on it.

Whenever a creature deals damage to you, destroy it.

At the beginning of your upkeep, you draw a card and you lose 1 life.

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

Consuming Corruption deals X damage to target creature or planeswalker and you gain X life, where X is the number of Swamps you control.

Destroy target creature with total power and toughness 5 or less.

Add {B}{B}{B}.

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

Destroy target creature if it has mana value 2 or less. Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent left the battlefield under your control this turn.

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

Until end of turn, target creature you control gains "When this creature dies, return it to the battlefield tapped under its owner's control, then create a Wicked Role token attached to it." (Enchanted creature gets +1/+1. When this token is put into a graveyard, each opponent loses 1 life.)

Destroy target creature. If that creature dies this way, its controller creates two tokens that are copies of that creature, except their power is half that creature's power and their toughness is half that creature's toughness. Round up each time.

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.

Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Until end of turn, target creature gains "When this creature dies, return it to the battlefield tapped under its owner's control with a +1/+1 counter on it."