{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

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.

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

This land enters tapped unless you control a Swamp. {T}: Add {B}. {1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.

{T}: Add {C}. {1}, {T}: Untap target land.

{T}: Add {C}. {2}, {T}: Each player draws a card, then discards a card.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell. {T}: Add one mana of any color among legendary permanents you control. {3}, {T}, Exile this land: Target legendary creature gains hexproof and indestructible until end of turn.

{T}, Pay 1 life, Sacrifice this land: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

({T}: Add {B}.)

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

{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

Players have no maximum hand size. At the beginning of each player's draw step, that player draws an additional card, then discards a card.

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

This artifact doesn't untap during your untap step. {T}: Add {C}{C}{C}. {3}: Untap this artifact.

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 an opponent discards a card, you may draw a card.

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

{T}, Sacrifice this artifact: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.

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

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

At the beginning of your upkeep, you may put a soot counter on this artifact. At the beginning of each player's upkeep, that player sacrifices a permanent of their choice for each soot counter on this artifact.

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

+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}.'"

+1: Each player discards a card. −2: Target player sacrifices a creature. −6: Separate all permanents target player controls into two piles. That player sacrifices all permanents in the pile of their choice.

Whenever a creature you control dies, draw a card. +1: Create a 2/2 black Zombie creature token. −4: Each player sacrifices two creatures of their choice. −9: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest.

Sacrifice this creature: Add {B}.

Flying When this creature enters, if you cast it, each player sacrifices all other creatures they control. Then each player returns all creature cards from their graveyard that weren't put there this way to the battlefield.

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

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.

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

When this creature enters, each opponent discards a card.

Menace When this creature enters, target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Evoke—Exile a black card from your hand.

Flash Menace When Lobelia enters, exile target creature card from an opponent's graveyard that was put there from the battlefield this turn, then create X Treasure tokens, where X is the exiled card's power.

At the beginning of each upkeep, if you control no Snakes, create a 1/1 black Snake creature token with deathtouch.

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

When this creature enters, each player sacrifices a creature or planeswalker of their choice. Each player who can't discards a card.

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.

At the beginning of each end step, if a player discarded a card this turn, create a 1/1 black Bird creature token with flying and "This token can't block." {3}{B}, {T}: Each opponent discards a card. Activate only as a sorcery.

You may pay {B} rather than pay this spell's mana cost if there are thirteen or more creatures on the battlefield. Each player sacrifices thirteen creatures of their choice.

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

Target player discards two cards. That player may copy this spell and may choose a new target for that copy.

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

Each player loses X life, discards X cards, sacrifices X creatures of their choice, then sacrifices X lands of their choice.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

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.

Each player loses a third of their life, then discards a third of the cards in their hand, then sacrifices a third of the creatures they control of their choice, then sacrifices a third of the lands they control of their choice. Round up each time.

Choose one or more — • Each player discards two cards. • Each player loses 4 life. • Each player sacrifices two creatures of their choice.

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 of their choice, then sacrifices a land of their choice.

Each other player discards a card. You draw a card for each card discarded this way.

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

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

At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.

At the beginning of each end step, each player who tapped a land for mana this turn sacrifices a land of their choice. This enchantment deals 2 damage to each player who sacrificed a Plains this way.

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 an opponent discards a card, this enchantment deals 2 damage to that player.

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

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.

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

Whenever a creature enters, its controller sacrifices a creature or land of their choice.

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

As an additional cost to cast this spell, sacrifice a creature. Add {B}{B}{B}{B}.

Add {B}{B}{B}.

You may sacrifice a nontoken black creature rather than pay this spell's mana cost. Each opponent sacrifices a creature or planeswalker with the greatest mana value among creatures and planeswalkers they control.

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

Each opponent sacrifices a creature of their choice. If you control a Liliana planeswalker, each opponent also discards a card.

Until end of turn, lands you control gain "Sacrifice this land: Add {B}."

Choose one — • Each opponent sacrifices a nontoken creature of their choice. • Each opponent sacrifices a creature token of their choice. • Each opponent sacrifices a planeswalker of their choice.

Each opponent sacrifices a creature or planeswalker with the highest mana value among creatures and planeswalkers they control.