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.

{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.

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.

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

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

Spells cost {1} less to cast.

{1}, {T}, Sacrifice Implements of Sacrifice: Add two mana of any one color.

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

Suspend 3—{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) {T}, Sacrifice Lotus Bloom: Add three mana of any one color.

As Prism Ring enters the battlefield, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life.

{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.

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

Sacrifice Blood Pet: Add {B}.

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.

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 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.

Transfigure {1}{B}{B} ({1}{B}{B}, Sacrifice this creature: Search your library for a creature card with the same mana value as this creature, put that card onto the battlefield, then shuffle. Transfigure only as a sorcery.)

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.)

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

When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life.

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

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.

Discard a card, Sacrifice Overeager Apprentice: Add {B}{B}{B}.

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.)

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 Discard a card: Add {B}.

Flying As Sower of Discord enters the battlefield, choose two players. Whenever damage is dealt to one of the chosen players, the other chosen player also loses that much life.

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.)

Deathtouch When Vile Entomber enters the battlefield, search your library for a card, put that card into your graveyard, then shuffle.

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.)

Enchant creature card in a graveyard When Animate Dead enters the battlefield, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with Animate Dead." Return enchanted creature card to the battlefield under your control and attach Animate Dead to it. When Animate Dead leaves the battlefield, that creature's controller sacrifices it. Enchanted creature gets -1/-0.

At the beginning of your precombat main phase, choose one or more — • Sell Contraband — Create a Treasure token. You lose 1 life. • Buy Information — Draw a card. You lose 2 life. • Hire a Mercenary — Create a 3/2 colorless Shapeshifter creature token with changeling. You lose 3 life. (It has every creature type.)

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.

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

Creature spells you cast cost {2} less to cast. Creatures you control get -1/-1.

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

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

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.

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

Target creature gets -4/-4 until end of turn.

Destroy target creature. You lose 2 life.

This spell costs {2} less to cast if it targets a legendary creature. Destroy target creature. Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Destroy target nonblack creature. At the beginning of your next upkeep, pay {2}{B}. If you don't, you lose the game.

Barren Moor enters the battlefield tapped. {T}: Add {B}. Cycling {B} ({B}, Discard this card: Draw a card.)

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

{T}: Add {C}. {T}, Sacrifice Crystal Vein: Add {C}{C}.

{T}: Add {C}. {1}, {T}, Sacrifice Emergence Zone: You may cast spells this turn as though they had flash.

{T}: Add {C}. {T}, Sacrifice a creature: You gain 1 life.

Memorial to Folly enters the battlefield tapped. {T}: Add {B}. {2}{B}, {T}, Sacrifice Memorial to Folly: Return target creature card from your graveyard to your hand.

Mortuary Mire enters the battlefield tapped. When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library. {T}: Add {B}.

When Radiant Fountain enters the battlefield, you gain 2 life. {T}: Add {C}.

You have no maximum hand size. {T}: Add {C}.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

({T}: Add {B}.)

({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.

As an additional cost to cast this spell, pay X life. Each other player loses X life.

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

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

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.

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.

Search your library for two cards. Put one into your hand and the other into your graveyard. Then shuffle.

Choose one — • Search your library for a card, put it into your hand, then shuffle. • Put a card you own from outside the game into your hand.

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

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

Return target nonlegendary creature card from your graveyard to the battlefield with a -1/-1 counter on it.

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

Target player draws two cards and loses 2 life.

Target player loses 2 life and you gain 2 life. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

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.

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