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

If you would gain life, you gain twice that much life instead. If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

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

Sacrifice a creature: Add {C}{C}.

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.

Black creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

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

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

Spells cost {1} less to cast.

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

You may look at the top card of your library any time. You may cast artifact spells and colorless spells from the top of your library. {T}, Pay 1 life: Exile the top card of your library.

Nyx Lotus enters the battlefield tapped. {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.)

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

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

Binding Contract — If you would draw a card, exile the top card of your library face down instead. {B}{B}{B}: Draw seven cards. {B}: Return all cards exiled with Asmodeus the Archfiend to their owner's hand and you lose that much life.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

{B}, Pay 1 life: Add one mana of any color.

Sacrifice Blood Pet: Add {B}.

Bloodsoaked Champion can't block. Raid — {1}{B}: Return Bloodsoaked Champion from your graveyard to the battlefield. Activate only if you attacked this turn.

Carrion Feeder can't block. Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.

All Nightmares get +1/+1. {B}{B}{B}, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types. When Chainer, Dementia Master leaves the battlefield, exile all Nightmares.

Menace As an additional cost to cast black permanent spells, you may pay 2 life. Those spells cost {B} less to cast if you paid life this way. This effect reduces only the amount of black mana you pay. Whenever you cast a black permanent spell, target creature you control gets +1/+1 and gains menace until end of turn.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Sacrifice a creature: Regenerate Dimir House Guard. Transmute {1}{B}{B} ({1}{B}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Whenever you gain life, each opponent loses 1 life.

Flying Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 life.

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

Whenever a creature deals combat damage to one of your opponents, its controller may pay 1 life. If they do, they draw a card. {4}{B}{B}{B}, Discard X cards: Exile the top X cards of target opponent's library. You may play lands and cast spells from among cards exiled this way without paying their mana costs.

Whenever you draw your second card each turn, each opponent loses 2 life and you gain 2 life. When Gixian Puppeteer dies, return another target creature card with mana value 3 or less from your graveyard to the battlefield.

Gravecrawler can't block. You may cast Gravecrawler from your graveyard as long as you control a Zombie.

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 At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature or pays 3 life.

As long as Necrotic Ooze is on the battlefield, it has all activated abilities of all creature cards in all graveyards.

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

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flying Morbid — At the beginning of each end step, if a creature died this turn, destroy target non-Demon creature.

{1}{B}: Return Reassembling Skeleton from your graveyard to the battlefield tapped.

Flying When Reiver Demon enters the battlefield, if you cast it from your hand, destroy all nonartifact, nonblack creatures. They can't be regenerated.

Flying Whenever another creature dies, put two +1/+1 counters on Sengir, the Dark Baron. Whenever another player loses the game, you gain life equal to that player's life total as the turn began. Partner (You can have two commanders if both have partner.)

Flying Drain Life — When Shard of the Nightbringer enters the battlefield, if you cast it, target opponent loses half their life, rounded up. You gain life equal to the life lost this way.

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.

When Tenacious Dead dies, you may pay {1}{B}. If you do, return it to the battlefield tapped under its owner's control.

Flying, deathtouch, lifelink

Flying Whenever you gain life during your turn, put a +1/+1 counter on Vampire Scrivener. Whenever you lose life during your turn, put a +1/+1 counter on Vampire Scrivener.

Deathtouch Boast — {1}{B}: Target player searches their library for a card, then shuffles and puts that card on top. (Activate only if this creature attacked this turn and only once each turn.)

Flying {B}, Pay 2 life: Target creature gets -1/-1 until end of turn. Whenever you lose life, draw that many cards. (Damage causes loss of life.)

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Whenever you gain life, target opponent loses that much life. {3}{B}{B}: Creatures you control gain lifelink until end of turn.

Whenever an opponent casts a green spell, you may pay {B}{B}. If you do, look at that player's hand and choose a card from it. The player discards that card. {B}{B}: Return Leshrac's Sigil to its owner's hand.

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

Add {B}{B}{B}.

Destroy target nonartifact creature.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.

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

Castle Locthwain enters the battlefield 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}, Sacrifice Emergence Zone: You may cast spells this turn as though they had flash.

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

({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.

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

Search your library for a card, put that card into your hand, then shuffle. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, add {B}{B}{B}.

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

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

Choose two — • Put two +1/+1 counters on up to one creature. It gains lifelink until end of turn. • Destroy each creature with power 2 or less. • Return up to two creature cards from your graveyard to your hand. • Each opponent sacrifices a creature with the highest power among creatures they control.

Choose one — • You draw two cards and you lose 2 life. • Creatures your opponents control get -1/-1 until end of turn.

This spell costs {3} less to cast if it targets a creature card with mana value 3 or less. Return target creature card from your graveyard to the battlefield.

Target player draws cards equal to half the number of cards in their library and loses half their life. Round up each time.

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.

Flying If damage would be dealt to you, prevent that damage and mill twice that many cards.

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

Deathtouch Whenever Ashnod, Flesh Mechanist attacks, you may sacrifice another creature. If you do, create a tapped Powerstone token. {5}, Exile a creature card from your graveyard: Create a tapped 3/3 colorless Zombie artifact creature token.

{T}: Add {C}. {4}{B}, {T}, Sacrifice Blighted Fen: Target opponent sacrifices a creature.

As an additional cost to cast this spell, sacrifice a creature. Destroy target creature.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

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

Flying Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

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.

Flying When Carrion Locust enters the battlefield, exile target card from an opponent's graveyard. If it was a creature card, that player loses 1 life.

{3}{B}{B}, {T}, Sacrifice X other creatures: Return X target creature cards from your graveyard to the battlefield. {5}{B}{B}: Put Champion of Stray Souls on top of your library from your graveyard.

Enchant creature Enchanted creature gets -1/-1 and can't block.

Whenever a creature you control dies, you draw a card and you lose 1 life.

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 Decree of Pain, all creatures get -2/-2 until end of turn.

Flying Whenever you gain life, target opponent loses that much life.

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

Flying At the beginning of your upkeep, sacrifice a creature other than Demonic Taskmaster.

Target player sacrifices a creature, then gains life equal to that creature's toughness.

When Disciples of Gix enters the battlefield, search your library for up to three artifact cards, put them into your graveyard, then shuffle.

When Doomed Dissenter dies, create a 2/2 black Zombie creature token.

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.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Destroy target creature an opponent controls with power 2 or less. II — Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card. III — Exile target opponent's graveyard.

Activated abilities of creature cards in your graveyard cost {1} less to activate. Tap an untapped Zombie you control: Target player mills a card.

Return target artifact or creature card from your graveyard to your hand. Create a 1/1 colorless Soldier artifact creature token.

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

{3}{B}, Sacrifice Font of Return: Return up to three target creature cards from your graveyard to your hand.

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

Deathtouch, lifelink

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

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

At the beginning of your upkeep, if there are three or more creature cards in your graveyard, put a +1/+1 counter on Gixian Skullflayer.

When Gluttonous Guest enters the battlefield, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Blood token, you gain 1 life.

As an additional cost to cast this spell, sacrifice a creature. Flying Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) When Goremand enters the battlefield, each opponent sacrifices a creature.

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

Destroy target nonartifact creature. Its controller mills cards equal to that creature's power.

Deathtouch Whenever another nontoken creature dies, you may draw a card.

Exile the top three cards of your library in a face-down pile, then exile the top three cards of your library in another face-down pile. Look at the cards in each pile, then turn a pile of your choice face up. An opponent chooses one of those piles. Put all cards in the chosen pile into your hand and the rest into your graveyard. You lose 3 life.

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

All Swamps are 1/1 black creatures that are still lands.

+1: Create a 2/2 black Zombie creature token. Mill two cards. −3: Return target creature card from your graveyard to the battlefield. That creature is a black Zombie in addition to its other colors and types. −7: Destroy all non-Zombie creatures.

Enchant land When Lithoform Blight enters the battlefield, draw a card. Enchanted land loses all land types and abilities and has "{T}: Add {C}" and "{T}, Pay 1 life: Add one mana of any color."

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

{T}, Sacrifice Magus of the Mirror: Exchange life totals with target opponent. Activate only during your upkeep.

Creatures your opponents control get -1/-1 until end of turn.

Flying, protection from white When Malakir Bloodwitch enters the battlefield, each opponent loses life equal to the number of Vampires you control. You gain life equal to the life lost this way.

Whenever an opponent discards a card, Megrim deals 2 damage to that player.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) Whenever a Human deals damage to you, destroy it. Other non-Human creatures you control get +1/+1 and have undying. (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)

Destroy target creature.

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

Flying, deathtouch, lifelink Nighthawk Scavenger's power is equal to 1 plus the number of card types among cards in your opponents' graveyards.

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

Oathsworn Vampire enters the battlefield tapped. You may cast Oathsworn Vampire from your graveyard if you gained life this turn.

Target creature gets -5/-5 until end of turn. If that creature would die this turn, exile it instead.

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

Target player draws two cards and loses 2 life.

Flying When Patron of the Vein enters the battlefield, destroy target creature an opponent controls. Whenever a creature an opponent controls dies, exile it and put a +1/+1 counter on each Vampire you control.

Whenever Pawn of Ulamog or another nontoken creature you control dies, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

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.) Other creatures you control have extort. (If a creature has multiple instances of extort, each triggers separately.)

When Priest of Gix enters the battlefield, add {B}{B}{B}.

{T}: Add {C}. You gain 1 life.

Two target players exchange life totals. You create an X/X colorless Horror artifact creature token, where X is the difference between those players' life totals.

Flying When Puppeteer Clique enters the battlefield, put target creature card from an opponent's graveyard onto the battlefield under your control. It gains haste. At the beginning of your next end step, exile it. Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

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

Flying Whenever a creature an opponent controls dies, you may gain 3 life. Whenever an opponent discards a card, you may gain 3 life.

This spell costs {3} less to cast if you've gained 3 or more life this turn. Return up to two target creature cards from your graveyard to your hand.

Devoid (This card has no color.) Whenever another nontoken creature you control dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." ({C} represents colorless mana.)

Enchant creature At the beginning of the upkeep of enchanted creature's controller, that player loses 1 life.

{1}: Untap Staff of Domination. {2}, {T}: You gain 1 life. {3}, {T}: Untap target creature. {4}, {T}: Tap target creature. {5}, {T}: Draw a card.

Whenever you cast a black spell or a Swamp enters the battlefield under your control, you gain 1 life.

Flying Tatterkite can't have counters put on it.

{2}, {T}, Exile The Stasis Coffin: You gain protection from everything until your next turn.

When Tooth Collector enters the battlefield, target creature an opponent controls gets -1/-1 until end of turn. Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, target creature that player controls gets -1/-1 until end of turn.

{B}, {T}, Sacrifice a creature: Add {C}{C}{C}. {2}, {T}, Sacrifice a creature: Create a 3/3 colorless Zombie artifact creature token. Activate only as a sorcery.

Equipped creature gets +2/+0. Whenever equipped creature dies, draw a card. Equip {2} or {B}

{1}, Sacrifice Traveler's Amulet: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Enchant artifact or creature you control When Twisted Embrace enters the battlefield, destroy target creature or planeswalker an opponent controls. As long as enchanted permanent is a creature, it gets +1/+1.

{B}: Regenerate Unworthy Dead.