Alabaster Leech

White spells you cast cost {W} more to cast.

Chromatic Armor

Enchant creature
As Chromatic Armor enters, choose a color.
Chromatic Armor enters with a sleight counter on it.
Prevent all damage that would be dealt to enchanted creature by sources of the last chosen color.
{X}: Put a sleight counter on Chromatic Armor and choose a color. X is the number of sleight counters on Chromatic Armor.

Juju Bubble

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When you play a card, sacrifice Juju Bubble.
{2}: You gain 1 life.

One with Nothing

Swamp

Withering Boon

As an additional cost to cast this spell, pay 3 life.
Counter target creature spell.

Sky Swallower

Flying
When Sky Swallower enters, target opponent gains control of all other permanents you control.

Wood Elemental

As Wood Elemental enters, sacrifice any number of untapped Forests.
Wood Elemental's power and toughness are each equal to the number of Forests sacrificed as it entered.

Flash

You may put a creature card from your hand onto the battlefield. If you do, sacrifice it unless you pay its mana cost reduced by {2}.

Timesifter

At the beginning of each upkeep, each player exiles the top card of their library. The player who exiled the card with the highest mana value takes an extra turn after this one. If two or more players' cards are tied for highest, the tied players repeat this process until the tie is broken.

Fanatical Fever

Target creature gets +3/+0 and gains trample until end of turn.

Forest

Aerial Formation

Strive — This spell costs {2}{U} more to cast for each target beyond the first.
Any number of target creatures each get +1/+1 and gain flying until end of turn.

Nine-Ringed Bo

{T}: Nine-Ringed Bo deals 1 damage to target Spirit creature. If that creature would die this turn, exile it instead.

Sivitri Scarzam

Reverse Polarity

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

Cultural Exchange

Choose any number of creatures target player controls. Choose the same number of creatures another target player controls. Those players exchange control of those creatures. (This effect lasts indefinitely.)

Abomination

Whenever Abomination blocks or becomes blocked by a green or white creature, destroy that creature at end of combat.

Blistering Barrier

Uncle Istvan

Prevent all damage that would be dealt to Uncle Istvan by creatures.

Daughter of Autumn

{W}: The next 1 damage that would be dealt to target white creature this turn is dealt to Daughter of Autumn instead.

Cooperation

Enchant creature
Enchanted creature has 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 a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Unholy Strength

Enchant creature
Enchanted creature gets +2/+1.

Jokulhaups

Destroy all artifacts, creatures, and lands. They can't be regenerated.

Holy Light

Nonwhite creatures get -1/-1 until end of turn.

Confusion in the Ranks

Whenever an artifact, creature, or enchantment enters, its controller chooses target permanent another player controls that shares a card type with it. Exchange control of those permanents.

Forest Bear

Impulsive Maneuvers

Whenever a creature attacks, flip a coin. If you win the flip, the next time that creature would deal combat damage this turn, it deals double that damage instead. If you lose the flip, the next time that creature would deal combat damage this turn, prevent that damage.

Mold Demon

When Mold Demon enters, sacrifice it unless you sacrifice two Swamps.

Child of Alara

Trample
When Child of Alara dies, destroy all nonland permanents. They can't be regenerated.

Pulling Teeth

Clash with an opponent. If you win, target player discards two cards. Otherwise, that player discards a card. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Mwonvuli Ooze

Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay {2} for each age counter on it.)
Mwonvuli Ooze's power and toughness are each equal to 1 plus twice the number of age counters on it.

Power Surge

At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.

Blue Mana Battery

{2}, {T}: Put a charge counter on Blue Mana Battery.
{T}, Remove any number of charge counters from Blue Mana Battery: Add {U}, then add an additional {U} for each charge counter removed this way.

Goblin War Wagon

Goblin War Wagon doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {2}. If you do, untap Goblin War Wagon.

Snowfall

Cumulative upkeep {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever an Island is tapped for mana, its controller may add an additional {U}. If that Island is snow, its controller may add an additional {U}{U} instead. Spend this mana only to pay cumulative upkeep costs.

Warp World

Each player shuffles all permanents they own into their library, then reveals that many cards from the top of their library. Each player puts all artifact, creature, and land cards revealed this way onto the battlefield, then does the same for enchantment cards, then puts all cards revealed this way that weren't put onto the battlefield on the bottom of their library.

Magnetic Mountain

Blue creatures don't untap during their controllers' untap steps.
At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay {4} for each creature chosen this way. If the player does, untap those creatures.

Deadlock Trap

Deadlock Trap enters tapped.
When Deadlock Trap enters, you get {E}{E} (two energy counters).
{T}, Pay {E}: Tap target creature or planeswalker. Its activated abilities can't be activated this turn.

Kobolds of Kher Keep

Hasran Ogress

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

Joven

{R}{R}{R}, {T}: Destroy target noncreature artifact.

Donate

Target player gains control of target permanent you control.

Apocalypse

Exile all permanents. You discard your hand.

Barktooth Warbeard

Storm Crow

Flying (This creature can't be blocked except by creatures with flying or reach.)

Glacial Wall

Horrible Hordes

Rampage 1 (Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it beyond the first.)

Skyknight Legionnaire

Axelrod Gunnarson

Trample
Whenever a creature dealt damage by Axelrod Gunnarson this turn dies, you gain 1 life and Axelrod deals 1 damage to target player or planeswalker.

Eron the Relentless

Haste
{R}{R}{R}: Regenerate Eron the Relentless.

Ridgeline Rager

{R}: Ridgeline Rager gets +1/+0 until end of turn.

Steel Golem

Princess Lucrezia

Mountain

Abbey Matron

{W}, {T}: Abbey Matron gets +0/+3 until end of turn.

Uktabi Kong

Trample
When Uktabi Kong enters, destroy all artifacts.
Tap two untapped Apes you control: Create a 1/1 green Ape creature token.

Blackmail

Target player reveals three cards from their hand and you choose one of them. That player discards that card.

Elvish Healer

{T}: Prevent the next 1 damage that would be dealt to any target this turn. If it's a green creature, prevent the next 2 damage instead.

Animate Wall

Enchant Wall
Enchanted Wall can attack as though it didn't have defender.

Ignoble Soldier

Whenever Ignoble Soldier becomes blocked, prevent all combat damage that would be dealt by it this turn.

Wrong Turn

Target opponent gains control of target creature. (If an attacking or blocking creature changes controllers, it's removed from combat.)

Naked Singularity

Cumulative upkeep {3} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
If tapped for mana, Plains produce {R}, Islands produce {G}, Swamps produce {W}, Mountains produce {U}, and Forests produce {B} instead of any other type.

Chaos Warp

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Word of Command

Look at target opponent's hand and choose a card from it. You control that player until Word of Command finishes resolving. The player plays that card if able. While doing so, the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card. If the chosen card is cast as a spell, you control the player while that spell is resolving.

Horde of Notions

Vigilance, trample, haste
{W}{U}{B}{R}{G}: You may play target Elemental card from your graveyard without paying its mana cost.

Mountain Stronghold

Red legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Puca's Mischief

At the beginning of your upkeep, you may exchange control of target nonland permanent you control and target nonland permanent an opponent controls with equal or lesser mana value.

Possibility Storm

Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with Possibility Storm on the bottom of their library in a random order.

Acid Rain

Invoke Prejudice

Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value.

Celestial Prism

Reality Twist

Cumulative upkeep {1}{U}{U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
If tapped for mana, Plains produce {R}, Swamps produce {G}, Mountains produce {W}, and Forests produce {B} instead of any other type.

Lady Orca

Redwood Treefolk

Tormenting Voice

As an additional cost to cast this spell, discard a card.
Draw two cards.

Uktabi Orangutan

When Uktabi Orangutan enters, destroy target artifact.

Island

Autumn Willow

Shroud (This creature can't be the target of spells or abilities.)
{G}: Until end of turn, Autumn Willow can be the target of spells and abilities controlled by target player as though it didn't have shroud.

Chaoslace

Target spell or permanent becomes red. (Its mana symbols remain unchanged.)

Clergy en-Vec

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

Hivis of the Scale

You may choose not to untap Hivis of the Scale during your untap step.
{T}: Gain control of target Dragon for as long as you control Hivis and Hivis remains tapped.

Tobias Andrion

Goblin Game

Each player hides at least one item, then all players reveal them simultaneously. Each player loses life equal to the number of items they revealed. The player who revealed the fewest items then loses half their life, rounded up. If two or more players are tied for fewest, each loses half their life, rounded up.

Cruel Entertainment

Choose target player and another target player. The first player controls the second player during the second player's next turn, and the second player controls the first player during the first player's next turn.

Stangg

When Stangg enters, create Stangg Twin, a legendary 3/4 red and green Human Warrior creature token. Exile that token when Stangg leaves the battlefield. Sacrifice Stangg when that token leaves the battlefield.

Kei Takahashi

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

Indestructible Aura

Prevent all damage that would be dealt to target creature this turn.

Obsianus Golem

Thieves' Auction

Exile all nontoken permanents. Starting with you, each player chooses one of the exiled cards and puts it onto the battlefield tapped under their control. Repeat this process until all cards exiled this way have been chosen.

Obelisk of Undoing

{6}, {T}: Return target permanent you both own and control to your hand.

Yukora, the Prisoner

When Yukora, the Prisoner leaves the battlefield, sacrifice all non-Ogre creatures you control.

Mountain Goat

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Shinka Gatekeeper

Whenever Shinka Gatekeeper is dealt damage, it deals that much damage to you.

Brand

Gain control of all permanents you own. (This effect lasts indefinitely.)
Cycling {2} ({2}, Discard this card: Draw a card.)

Knight of the Reliquary

Knight of the Reliquary gets +1/+1 for each land card in your graveyard.
{T}, Sacrifice a Forest or Plains: Search your library for a land card, put it onto the battlefield, then shuffle.

Scrambleverse

For each nonland permanent, choose a player at random. Then each player gains control of each permanent for which they were chosen. Untap those permanents.

Mountain Yeti

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)
Protection from white

Marhault Elsdragon

Ebon Praetor

First strike, trample
At the beginning of your upkeep, put a -2/-2 counter on Ebon Praetor.
Sacrifice a creature: Remove a -2/-2 counter from Ebon Praetor. If the sacrificed creature was a Thrull, put a +1/+0 counter on Ebon Praetor. Activate only during your upkeep and only once each turn.

Zephyr Spirit

When Zephyr Spirit blocks, return it to its owner's hand.

Jacques le Vert

Touch of the Void

Devoid (This card has no color.)
Touch of the Void deals 3 damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

Hazduhr the Abbot

{X}, {T}: The next X damage that would be dealt this turn to target white creature you control is dealt to Hazduhr the Abbot instead.

Dragon Mask

{3}, {T}: Target creature you control gets +2/+2 until end of turn. Return it to its owner's hand at the beginning of the next end step. (Return it only if it's on the battlefield.)

Balduvian War-Makers

Haste
Rampage 1 (Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it beyond the first.)

Chandler

{R}{R}{R}, {T}: Destroy target artifact creature.

Coils of the Medusa

Enchant creature
Enchanted creature gets +1/-1.
Sacrifice Coils of the Medusa: Destroy all non-Wall creatures blocking enchanted creature.

Camouflage

Cast this spell only during your declare attackers step.
This turn, instead of declaring blockers, each defending player chooses any number of creatures they control and divides them into a number of piles equal to the number of attacking creatures for whom that player is the defending player. Creatures those players control that can block additional creatures may likewise be put into additional piles. Assign each pile to a different one of those attacking creatures at random. Each creature in a pile that can block the creature that pile is assigned to does so. (Piles can be empty.)

Rod of Ruin

{3}, {T}: Rod of Ruin deals 1 damage to any target.

Head Games

Target opponent puts the cards from their hand on top of their library. Search that player's library for that many cards. The player puts those cards into their hand, then shuffles.