Carnophage

At the beginning of your upkeep, tap this creature unless you pay 1 life.

Vanishing

Enchant creature
{U}{U}: Enchanted creature phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)

Astrolabe

{1}, {T}, Sacrifice this artifact: Add two mana of any one color. Draw a card at the beginning of the next turn's upkeep.

High Tide

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

Snap

Return target creature to its owner's hand. Untap up to two lands.

Diabolic Vision

Look at the top five cards of your library. Put one of them into your hand and the rest on top of your library in any order.

Faerie Conclave

This land enters tapped.
{T}: Add {U}.
{1}{U}: This land becomes a 2/1 blue Faerie creature with flying until end of turn. It's still a land.

Diplomatic Immunity

Enchant creature
Shroud (A permanent with shroud can't be the target of spells or abilities.)
Enchanted creature has shroud.

Simulacrum

You gain life equal to the damage dealt to you this turn. Simulacrum deals damage to target creature you control equal to the damage dealt to you this turn.

Curiosity

Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

Victimize

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

Benthic Djinn

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
At the beginning of your upkeep, you lose 2 life.

Remote Isle

This land enters tapped.
{T}: Add {U}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Abyssal Hunter

{B}, {T}: Tap target creature. This creature deals damage equal to its power to that creature.

Intervene

Counter target spell that targets a creature.

Swamp

Siren's Call

Cast this spell only during an opponent's turn, before attackers are declared.
Creatures the active player controls attack this turn if able.
At the beginning of the next end step, destroy all non-Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.

Abandon Hope

As an additional cost to cast this spell, discard X cards.
Look at target opponent's hand and choose X cards from it. That player discards those cards.

Assassin's Blade

Cast this spell only during the declare attackers step and only if you've been attacked this step.
Destroy target nonblack attacking creature.

Spawning Pool

This land enters tapped.
{T}: Add {B}.
{1}{B}: This land becomes a 1/1 black Skeleton creature with "{B}: Regenerate this creature" until end of turn. It's still a land. (If it regenerates, the next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Sand Silos

This land enters tapped.
You may choose not to untap this land during your untap step.
At the beginning of your upkeep, if this land is tapped, put a storage counter on it.
{T}, Remove any number of storage counters from this land: Add {U} for each storage counter removed this way.

Sky Diamond

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

Raise Dead

Return target creature card from your graveyard to your hand.

Hymn to Tourach

Target player discards two cards at random.

Drain Power

Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.

Déjà Vu

Return target sorcery card from your graveyard to your hand.

Sorcerous Sight

Look at target opponent's hand.
Draw a card.

Annul

Counter target artifact or enchantment spell.

Amnesia

Target player reveals their hand and discards all nonland cards.

Blanket of Night

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

Sea Monster

This creature can't attack unless defending player controls an Island.

Vampiric Spirit

Flying
When this creature enters, you lose 4 life.

Abduction

Enchant creature
When this Aura enters, untap enchanted creature.
You control enchanted creature.
When enchanted creature dies, return that card to the battlefield under its owner's control.

Archivist

Command of Unsummoning

Cast this spell only during the declare attackers step and only if you've been attacked this step.
Return one or two target attacking creatures to their owner's hand.

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Rootwater Depths

{T}: Add {C}.
{T}: Add {U} or {B}. This land doesn't untap during your next untap step.

River Delta

This land doesn't untap during your untap step if it has a depletion counter on it.
At the beginning of your upkeep, remove a depletion counter from this land.
{T}: Add {U} or {B}. Put a depletion counter on this land.

Abyssal Gatekeeper

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

Tar Pit Warrior

When this creature becomes the target of a spell or ability, sacrifice it.

Betrayal

Enchant creature an opponent controls
Whenever enchanted creature becomes tapped, you draw a card.

Island

Withering Gaze

Target opponent reveals their hand. You draw a card for each Forest and green card in it.

Skulking Fugitive

Ostracize

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

Theft of Dreams

Draw a card for each tapped creature target opponent controls.

Unearth

Return target creature card with mana value 3 or less from your graveyard to the battlefield.
Cycling {2} ({2}, Discard this card: Draw a card.)

Balance of Power

If target opponent has more cards in hand than you, draw cards equal to the difference.

Ashen Powder

Put target creature card from an opponent's graveyard onto the battlefield under your control.

Coastal Piracy

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

Duress

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

Bad River

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

Charcoal Diamond

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

Apprentice Necromancer

{B}, {T}, Sacrifice this creature: Return target creature card from your graveyard to the battlefield. That creature gains haste. At the beginning of the next end step, sacrifice it.

Abyssal Specter

Flying
Whenever this creature deals damage to a player, that player discards a card.

Quicksand

{T}: Add {C}.
{T}, Sacrifice this land: Target attacking creature without flying gets -1/-2 until end of turn.

Bottomless Vault

This land enters tapped.
You may choose not to untap this land during your untap step.
At the beginning of your upkeep, if this land is tapped, put a storage counter on it.
{T}, Remove any number of storage counters from this land: Add {B} for each storage counter removed this way.

Arrogant Vampire

Death's Duet

Return two target creature cards from your graveyard to your hand.

Alley Grifters

Whenever this creature becomes blocked, defending player discards a card.

Nebuchadnezzar

{X}, {T}: Choose a card name. Target opponent reveals X cards at random from their hand. Then that player discards all cards with that name revealed this way. Activate only during your turn.

Clairvoyance

Look at target player's hand.
Draw a card at the beginning of the next turn's upkeep.

Mercenary Knight

When this creature enters, sacrifice it unless you discard a creature card.

Fallen Askari

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
This creature can't block.

Blood Pet

Barrow Ghoul

At the beginning of your upkeep, sacrifice this creature unless you exile the top creature card of your graveyard.

Fade Away

For each creature, its controller sacrifices a permanent of their choice unless they pay {1}.

Benthic Behemoth

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Unnerve

Dread Reaper

Flying
When this creature enters, you lose 5 life.

Persecute

Choose a color. Target player reveals their hand and discards all cards of that color.

Songs of the Damned

Add {B} for each creature card in your graveyard.

Polluted Mire

This land enters tapped.
{T}: Add {B}.
Cycling {2} ({2}, Discard this card: Draw a card.)