Conversion

At the beginning of your upkeep, sacrifice Conversion unless you pay {W}{W}.
All Mountains are Plains.

Circle of Protection: White

{1}: The next time a white source of your choice would deal damage to you this turn, prevent that damage.

Damping Field

Players can't untap more than one artifact during their untap steps.

Army of Allah

Attacking creatures get +2/+0 until end of turn.

Shahrazad

Players play a Magic subgame, using their libraries as their decks. Each player who doesn't win the subgame loses half their life, rounded up.

Karma

At the beginning of each player's upkeep, Karma deals damage to that player equal to the number of Swamps they control.

Flight

Enchant creature
Enchanted creature has flying.

Kird Ape

Kird Ape gets +1/+2 as long as you control a Forest.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Shatter

Reverse Polarity

You gain X life, where X is twice the damage dealt to you so far this turn by artifacts.

Phyrexian Gremlins

You may choose not to untap Phyrexian Gremlins during your untap step.
{T}: Tap target artifact. It doesn't untap during its controller's untap step for as long as Phyrexian Gremlins remains tapped.

Instill Energy

Enchant creature
Enchanted creature can attack as though it had haste.
{0}: Untap enchanted creature. Activate only during your turn and only once each turn.

Circle of Protection: Black

{1}: The next time a black source of your choice would deal damage to you this turn, prevent that damage.

Nether Shadow

Haste
At the beginning of your upkeep, if Nether Shadow is in your graveyard with three or more creature cards above it, you may put Nether Shadow onto the battlefield.

Scathe Zombies

Prodigal Sorcerer

{T}: Prodigal Sorcerer deals 1 damage to any target.

Ydwen Efreet

Whenever Ydwen Efreet blocks, flip a coin. If you lose the flip, remove Ydwen Efreet from combat and it can't block this turn. Creatures it was blocking that had become blocked by only Ydwen Efreet this combat become unblocked.

Unholy Strength

Enchant creature
Enchanted creature gets +2/+1.

Cyclone

At the beginning of your upkeep, put a wind counter on Cyclone, then sacrifice Cyclone unless you pay {G} for each wind counter on it. If you pay, Cyclone deals damage equal to the number of wind counters on it to each creature and each player.

Ornithopter

Stone Giant

{T}: Target creature you control with toughness less than Stone Giant's power gains flying until end of turn. Destroy that creature at the beginning of the next end step.

Llanowar Elves

Piety

Blocking creatures get +0/+3 until end of turn.

Circle of Protection: Red

{1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

Artifact Possession

Enchant artifact
Whenever enchanted artifact becomes tapped or a player activates an ability of enchanted artifact without {T} in its activation cost, Artifact Possession deals 2 damage to that artifact's controller.

Deathgrip

Mishra's War Machine

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
At the beginning of your upkeep, Mishra's War Machine deals 3 damage to you unless you discard a card. If Mishra's War Machine deals damage to you this way, tap it.

Savannah

Sacrifice

As an additional cost to cast this spell, sacrifice a creature.
Add an amount of {B} equal to the sacrificed creature's mana value.

Sinkhole

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

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.

Wild Growth

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Stone-Throwing Devils

Flying Men

Crumble

Destroy target artifact. It can't be regenerated. That artifact's controller gains life equal to its mana value.

Abu Ja'far

When Abu Ja'far dies, destroy all creatures blocking or blocked by it. They can't be regenerated.

Bird Maiden

Grapeshot Catapult

{T}: Grapeshot Catapult deals 1 damage to target creature with flying.

Artifact Blast

Glasses of Urza

Volcanic Eruption

Destroy X target Mountains. Volcanic Eruption deals damage to each creature and each player equal to the number of Mountains put into a graveyard this way.

Will-o'-the-Wisp

Flying (This creature can't be blocked except by creatures with flying or reach.)
{B}: Regenerate Will-o'-the-Wisp. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Celestial Prism

Priest of Yawgmoth

{T}, Sacrifice an artifact: Add an amount of {B} equal to the sacrificed artifact's mana value.

Forest

Merfolk of the Pearl Trident

Rocket Launcher

{2}: Rocket Launcher deals 1 damage to any target. Destroy Rocket Launcher at the beginning of the next end step. Activate only if you've controlled Rocket Launcher continuously since the beginning of your most recent turn.

Time Vault

Time Vault enters tapped.
Time Vault doesn't untap during your untap step.
If you would begin your turn while Time Vault is tapped, you may skip that turn instead. If you do, untap Time Vault.
{T}: Take an extra turn after this one.

Island

Nafs Asp

Whenever Nafs Asp deals damage to a player, that player loses 1 life at the beginning of their next draw step unless they pay {1} before that draw step.

Benalish Hero

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Cuombajj Witches

{T}: Cuombajj Witches deals 1 damage to any target and 1 damage to any target of an opponent's choice.

Giant Spider

Reach (This creature can block creatures with flying.)

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)

Argivian Blacksmith

{T}: Prevent the next 2 damage that would be dealt to target artifact creature this turn.

Fishliver Oil

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature has islandwalk. (It can't be blocked as long as defending player controls an Island.)

Sandstorm

Sandstorm deals 1 damage to each attacking creature.

Stream of Life

Reconstruction

Return target artifact card from your graveyard to your hand.

Argothian Treefolk

Prevent all damage that would be dealt to Argothian Treefolk by artifact sources.

Sea Serpent

Sea Serpent can't attack unless defending player controls an Island.
When you control no Islands, sacrifice Sea Serpent.

Dragon Engine

{2}: Dragon Engine gets +1/+0 until end of turn.

Energy Flux

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."

Erg Raiders

At the beginning of your end step, if Erg Raiders didn't attack this turn, Erg Raiders deals 2 damage to you unless it came under your control this turn.

Samite Healer

{T}: Prevent the next 1 damage that would be dealt to any target this turn.

City in a Bottle

Whenever one or more other nontoken permanents with a name originally printed in the Arabian Nights expansion are on the battlefield, their controllers sacrifice them.
Players can't cast spells or play lands with a name originally printed in the Arabian Nights expansion.

Urza's Power Plant

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

Orcish Mechanics

{T}, Sacrifice an artifact: Orcish Mechanics deals 2 damage to any target.

Death Ward

Dandân

Dandân can't attack unless defending player controls an Island.
When you control no Islands, sacrifice Dandân.

Scryb Sprites

Ironclaw Orcs

Ironclaw Orcs can't block creatures with power 2 or greater.

Firebreathing

Enchant creature
{R}: Enchanted creature gets +1/+0 until end of turn.

Mountain

Amulet of Kroog

{2}, {T}: Prevent the next 1 damage that would be dealt to any target this turn.

Desert Nomads

Desertwalk
Prevent all damage that would be dealt to Desert Nomads by Deserts.

Unstable Mutation

Enchant creature
Enchanted creature gets +3/+3.
At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Phantom Monster

Hasran Ogress

Whenever Hasran Ogress attacks, it deals 3 damage to you unless you pay {2}.

Onulet

Erhnam Djinn

At the beginning of your upkeep, target non-Wall creature an opponent controls gains forestwalk until your next upkeep. (It can't be blocked as long as defending player controls a Forest.)

Mons's Goblin Raiders

Jump

Target creature gains flying until end of turn.

Healing Salve

Choose one —
• Target player gains 3 life.
• Prevent the next 3 damage that would be dealt to any target this turn.

Phantasmal Terrain

Enchant land
As Phantasmal Terrain enters, choose a basic land type.
Enchanted land is the chosen type.

Ali Baba

Urza's Mine

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

War Elephant

Trample; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Oubliette

When Oubliette enters, target creature phases out until Oubliette leaves the battlefield. Tap that creature as it phases in this way. (Auras and Equipment phase out with it. While permanents are phased out, they're treated as though they don't exist.)

Jandor's Ring

{2}, {T}, Discard the last card you drew this turn: Draw a card.

Prevent all combat damage that would be dealt this turn.

Merchant Ship

Merchant Ship can't attack unless defending player controls an Island.
Whenever Merchant Ship attacks and isn't blocked, you gain 2 life.
When you control no Islands, sacrifice Merchant Ship.

Moorish Cavalry

Artifact Ward

Enchant creature
Enchanted creature can't be blocked by artifact creatures.
Prevent all damage that would be dealt to enchanted creature by artifact sources.
Enchanted creature can't be the target of abilities from artifact sources.

Wall of Fire

Defender (This creature can't attack.)
{R}: Wall of Fire gets +1/+0 until end of turn.

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.

Obsianus Golem

Drafna's Restoration

Put any number of target artifact cards from target player's graveyard on top of their library in any order.

Giant Growth

Target creature gets +3/+3 until end of turn.

Paralyze

Enchant creature
When Paralyze enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
At the beginning of the upkeep of enchanted creature's controller, that player may pay {4}. If the player does, untap the creature.

Eye for an Eye

The next time a source of your choice would deal damage to you this turn, instead that source deals that much damage to you and Eye for an Eye deals that much damage to that source's controller.

Metamorphosis

As an additional cost to cast this spell, sacrifice a creature.
Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells.

Transmute Artifact

Sacrifice an artifact. If you do, search your library for an artifact card. If that card's mana value is less than or equal to the sacrificed artifact's mana value, put it onto the battlefield. If it's greater, you may pay {X}, where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle.

Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Fear

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Giant Tortoise

Giant Tortoise gets +0/+3 as long as it's untapped.

Ghazbán Ogre

At the beginning of your upkeep, if a player has more life than each other player, the player with the most life gains control of Ghazbán Ogre.

Desert

{T}: Add {C}.
{T}: Desert deals 1 damage to target attacking creature. Activate only during the end of combat step.

Atog

Sacrifice an artifact: Atog gets +2/+2 until end of turn.

Mesa Pegasus

Flying; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Swamp

Terror

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