Blackblade Reforged

Equipped creature gets +1/+1 for each land you control.
Equip legendary creature {3}
Equip {7}

Counterspell

Plains

Underground Sea

Celestial Dawn

Lands you control are Plains.
Nonland permanents you control are white. The same is true for spells you control and nonland cards you own that aren't on the battlefield.
You may spend white mana as though it were mana of any color. You may spend other mana only as though it were colorless mana.

Adarkar Wastes

{T}: Add {C}.
{T}: Add {W} or {U}. Adarkar Wastes deals 1 damage to you.

Ur-Golem's Eye

Sol Ring

Dance of Many

When Dance of Many enters, create a token that's a copy of target nontoken creature.
When Dance of Many leaves the battlefield, exile the token.
When the token leaves the battlefield, sacrifice Dance of Many.
At the beginning of your upkeep, sacrifice Dance of Many unless you pay {U}{U}.

Salt Marsh

Salt Marsh enters tapped.
{T}: Add {U} or {B}.

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Mana Vault

Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.

Loxodon Warhammer

Equipped creature gets +3/+0 and has trample and lifelink.
Equip {3}

Winter Orb

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

Diabolic Tutor

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

Clone

You may have Clone enter as a copy of any creature on the battlefield.

Star Compass

Star Compass enters tapped.
{T}: Add one mana of any color that a basic land you control could produce.

Sky Diamond

Weathered Wayfarer

{W}, {T}: Search your library for a land card, reveal it, put it into your hand, then shuffle. Activate only if an opponent controls more lands than you.

Invisibility

Enchant creature
Enchanted creature can't be blocked except by Walls.

Amber Prison

You may choose not to untap Amber Prison during your untap step.
{4}, {T}: Tap target artifact, creature, or land. That permanent doesn't untap during its controller's untap step for as long as Amber Prison remains tapped.

Imperial Seal

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Telepathy

Your opponents play with their hands revealed.

Marble Diamond

Marble Diamond enters tapped.
{T}: Add {W}.

Land Tax

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Ruins of Trokair

Ruins of Trokair enters tapped.
{T}: Add {W}.
{T}, Sacrifice Ruins of Trokair: Add {W}{W}.

Fellwar Stone

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

Island

Swamp

Tainted Aether

Whenever a creature enters, its controller sacrifices a creature or land.

Serra's Embrace

Enchant creature
Enchanted creature gets +2/+2 and has flying and vigilance.

Timetwister

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Braingeyser

Disenchant

Dakkon Blackblade

Dakkon Blackblade's power and toughness are each equal to the number of lands you control.

Light of Day

Order of the Sacred Torch

{T}, Pay 1 life: Counter target black spell.

Necropotence

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.

Blinding Angel

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever Blinding Angel deals combat damage to a player, that player skips their next combat phase.

Greed

Stromgald Cabal

{T}, Pay 1 life: Counter target white spell.

Howl from Beyond

Target creature gets +X/+0 until end of turn.

Nevinyrral's Disk

Nevinyrral's Disk enters tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Wrath of God

Destroy all creatures. They can't be regenerated.

Underground River

{T}: Add {C}.
{T}: Add {U} or {B}. Underground River deals 1 damage to you.

Caves of Koilos

{T}: Add {C}.
{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

Mindslicer

When Mindslicer dies, each player discards their hand.

Sorceress Queen

{T}: Target creature other than Sorceress Queen has base power and toughness 0/2 until end of turn.

Kismet

Artifacts, creatures, and lands your opponents control enter tapped.

Charcoal Diamond

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

Vesuvan Doppelganger

You may have Vesuvan Doppelganger enter as a copy of any creature on the battlefield, except it doesn't copy that creature's color and it has "At the beginning of your upkeep, you may have this creature become a copy of target creature, except it doesn't copy that creature's color and it has this ability."

Krovikan Sorcerer

{T}, Discard a nonblack card: Draw a card.
{T}, Discard a black card: Draw two cards, then discard one of them.

Truce

Each player may draw up to two cards. For each card less than two a player draws this way, that player gains 2 life.

Bribery

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

Storm Cauldron

Each player may play an additional land during each of their turns.
Whenever a land is tapped for mana, return it to its owner's hand.

Terror

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

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Pestilence

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.
{B}: Pestilence deals 1 damage to each creature and each player.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.

Tariff

Each player sacrifices the creature they control with the highest mana value unless they pay that creature's mana cost. If two or more creatures a player controls are tied for highest, that player chooses one.

Gift of Estates

If an opponent controls more lands than you, search your library for up to three Plains cards, reveal them, put them into your hand, then shuffle.

Intrepid Hero

{T}: Destroy target creature with power 4 or greater.

Rewind

Counter target spell. Untap up to four lands.

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.

Demonic Tutor

Royal Assassin

Scrubland

Confiscate

Enchant permanent
You control enchanted permanent.

Ebon Stronghold

Ebon Stronghold enters tapped.
{T}: Add {B}.
{T}, Sacrifice Ebon Stronghold: Add {B}{B}.

Phyrexian Arena

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

Overwhelming Forces

Destroy all creatures target opponent controls. Draw a card for each creature destroyed this way.

Polymorph

Destroy target creature. It can't be regenerated. Its controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield, then shuffles all other cards revealed this way into their library.

Svyelunite Temple

Svyelunite Temple enters tapped.
{T}: Add {U}.
{T}, Sacrifice Svyelunite Temple: Add {U}{U}.

Tundra

Evacuation

Return all creatures to their owners' hands.

Coastal Tower

Coastal Tower enters tapped.
{T}: Add {W} or {U}.

Annex

Enchant land (Target a land as you cast this. This card enters attached to that land.)
You control enchanted land.

Desertion

Counter target spell. If an artifact or creature spell is countered this way, put that card onto the battlefield under your control instead of into its owner's graveyard.