Have Proxy

Dual Nature

Whenever a nontoken creature enters, its controller creates a token that's a copy of that creature.
Whenever a nontoken creature leaves the battlefield, exile all tokens with the same name as that creature.
When this enchantment leaves the battlefield, exile all tokens created with this enchantment.

Dueling Grounds

No more than one creature can attack each combat.
No more than one creature can block each combat.

Magnetic Mine

Whenever another artifact is put into a graveyard from the battlefield, this artifact deals 2 damage to that artifact's controller.

Breathstealer's Crypt

If a player would draw a card, instead they draw a card and reveal it. If it's a creature card, that player discards it unless they pay 3 life.

Enchanted Evening

All permanents are enchantments in addition to their other types.

Endless Whispers

Each creature has "When this creature dies, choose target opponent. That player puts this card from its owner's graveyard onto the battlefield under their control at the beginning of the next end step."

Fecundity

Whenever a creature dies, that creature's controller may draw a card.

Juntu Stakes

Creatures with power 1 or less don't untap during their controllers' untap steps.

Tainted Aether

Whenever a creature enters, its controller sacrifices a creature or land of their choice.

Virulent Plague

Pyrostatic Pillar

Whenever a player casts a spell with mana value 3 or less, this enchantment deals 2 damage to that player.

Oath of Scholars

At the beginning of each player's upkeep, that player chooses target player who has more cards in hand than they do and is their opponent. The first player may discard their hand and draw three cards.

Dovescape

({W/U} can be paid with either {W} or {U}.)
Whenever a player casts a noncreature spell, counter that spell. That player creates X 1/1 white and blue Bird creature tokens with flying, where X is the spell's mana value.

Divine Presence

If a source would deal 4 or more damage to a permanent or player, that source deals 3 damage to that permanent or player instead.

Oppression

Whenever a player casts a spell, that player discards a card.

Have Playtest

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.

Damping Engine

A player who controls more permanents than each other player can't play lands or cast artifact, creature, or enchantment spells. That player may sacrifice a permanent of their choice for that player to ignore this effect until end of turn.

Burning Sands

Whenever a creature dies, that creature's controller sacrifices a land of their choice.

Vile Consumption

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay 1 life."

Song of Serenity

Creatures that are enchanted can't attack or block.

Sands of Time

Each player skips their untap step.
At the beginning of each player's upkeep, that player simultaneously untaps each tapped artifact, creature, and land they control and taps each untapped artifact, creature, and land they control.

Burning Earth

Whenever a player taps a nonbasic land for mana, this enchantment deals 1 damage to that player.

Pendrell Mists

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay {1}."

Rivalry

At the beginning of each player's upkeep, if that player controls more lands than each other player, this enchantment deals 2 damage to them.

Phyrexian Tyranny

Whenever a player draws a card, that player loses 2 life unless they pay {2}.

Excavation

{1}, Sacrifice a land: Draw a card. Any player may activate this ability.

Warped Devotion

Whenever a permanent is returned to a player's hand, that player discards a card.

Powerstone Minefield

Whenever a creature attacks or blocks, this enchantment deals 2 damage to it.

Measure of Wickedness

At the beginning of your end step, sacrifice this enchantment and you lose 8 life.
Whenever another card is put into your graveyard from anywhere, target opponent gains control of this enchantment.

Greener Pastures

At the beginning of each player's upkeep, if that player controls more lands than each other player, the player creates a 1/1 green Saproling creature token.

Necrogen Mists

At the beginning of each player's upkeep, that player discards a card.

Game Preserve

At the beginning of your upkeep, each player reveals the top card of their library. If all cards revealed this way are creature cards, put those cards onto the battlefield under their owners' control.

Sunken Hope

At the beginning of each player's upkeep, that player returns a creature they control to its owner's hand.

Tidal Influence

Cast this spell only if no permanents named Tidal Influence are on the battlefield.
This enchantment enters with a tide counter on it.
At the beginning of your upkeep, put a tide counter on this enchantment.
As long as there is exactly one tide counter on this enchantment, all blue creatures get -2/-0.
As long as there are exactly three tide counters on this enchantment, all blue creatures get +2/+0.
Whenever there are four or more tide counters on this enchantment, remove all tide counters from it.

Mystic Decree

All creatures lose flying and islandwalk.

Aysen Highway

White creatures have plainswalk. (They can't be blocked as long as defending player controls a Plains.)

Shared Fate

If a player would draw a card, that player exiles the top card of one of their opponents' libraries face down instead.
Each player may look at cards they exiled with this enchantment, and they may play lands and cast spells from among those cards.

Arcane Laboratory

Each player can't cast more than one spell each turn.

Meekstone

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Don't Have

Death Match

Whenever a creature enters, that creature's controller may have target creature of their choice get -3/-3 until end of turn.

Dense Foliage

Creatures can't be the targets of spells.

Spiteful Visions

At the beginning of each player's draw step, that player draws an additional card.
Whenever a player draws a card, this enchantment deals 1 damage to that player.

March of the Machines

Each noncreature artifact is an artifact creature with power and toughness each equal to its mana value. (Equipment that's a creature can't equip a creature.)

Furnace of Rath

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Descent into Avernus

At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment.

Heartbeat of Spring

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Checks and Balances

Cast this spell only if there are three or more players in the game.
Whenever a player casts a spell, each of that player's opponents may discard a card. If they do, counter that spell.

Ambiguity

Whenever a player plays a spell that counters a spell that has been played or a player plays a spell that comes into play with counters, that player may counter the next spell played or put an additional counter on a permanent that has already been played, but not countered.

Impatience

At the beginning of each player's end step, if that player didn't cast a spell this turn, this enchantment deals 2 damage to that player.

Forsaken Wastes

Players can't gain life.
At the beginning of each player's upkeep, that player loses 1 life.
Whenever this enchantment becomes the target of a spell, that spell's controller loses 5 life.

Mesmeric Orb

Whenever a permanent becomes untapped, that permanent's controller mills a card.

Torpor Orb

Creatures entering don't cause abilities to trigger.

Awakening

At the beginning of each upkeep, untap all creatures and lands.

Primal Vigor

If one or more tokens would be created, twice that many of those tokens are created instead.
If one or more +1/+1 counters would be put on a creature, twice that many +1/+1 counters are put on that creature instead.

Root Maze

Blinkmoth Urn

At the beginning of each player's first main phase, if this artifact is untapped, that player adds {C} for each artifact they control.

Eye of the Storm

Whenever a player casts an instant or sorcery card, exile it. Then that player copies each instant or sorcery card exiled with this enchantment. For each copy, the player may cast the copy without paying its mana cost.

Sulfuric Vortex

At the beginning of each player's upkeep, this enchantment deals 2 damage to that player.
If a player would gain life, that player gains no life instead.

Teferi's Realm

At the beginning of each player's upkeep, that player chooses artifact, creature, land, or non-Aura enchantment. All nontoken permanents of that type phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

Keldon Twilight

At the beginning of each player's end step, if no creatures attacked this turn, that player sacrifices a creature of their choice that they controlled since the beginning of the turn.

Aluren

Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.

Planar Collapse

At the beginning of your upkeep, if there are four or more creatures on the battlefield, sacrifice this enchantment and destroy all creatures. They can't be regenerated.

Leyline of Lifeforce

If this card is in your opening hand, you may begin the game with it on the battlefield.
Creature spells can't be countered.

Bad Moon

Mightstone

Getting

Conjured Currency

At the beginning of your upkeep, you may exchange control of this enchantment and target permanent you neither own nor control.

Serra Aviary

Infernal Genesis

At the beginning of each player's upkeep, that player mills a card. Then they create X 1/1 black Minion creature tokens, where X is the milled card's mana value.

Heartstone

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Aether Barrier

Whenever a player casts a creature spell, that player sacrifices a permanent of their choice unless they pay {1}.

Ashling's Prerogative

As this enchantment enters, choose odd or even. (Zero is even.)
Each creature with mana value of the chosen quality has haste.
Each creature without mana value of the chosen quality enters tapped.

Seed the Land

Whenever a land enters, its controller creates a 1/1 green Snake creature token.

Angel's Trumpet

All creatures have vigilance.
At the beginning of each player's end step, tap all untapped creatures that player controls that didn't attack this turn. This artifact deals damage to the player equal to the number of creatures tapped this way.

Bottomless Pit

At the beginning of each player's upkeep, that player discards a card at random.

Manabarbs

Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.

Bubble Matrix

Prevent all damage that would be dealt to creatures.

Mana Flare

Collapsing Borders

Domain — At the beginning of each player's upkeep, that player gains 1 life for each basic land type among lands they control. Then this enchantment deals 3 damage to that player.

Cephalid Shrine

Whenever a player casts a spell, counter that spell unless that player pays {X}, where X is the number of cards in all graveyards with the same name as the spell.

Mindlock Orb

Damping Sphere

If a land is tapped for two or more mana, it produces {C} instead of any other type and amount.
Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn.

Primal Order

At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of nonbasic lands they control.

Font of Mythos

At the beginning of each player's draw step, that player draws two additional cards.

Field of Dreams

Players play with the top card of their libraries revealed.

Caltrops

Whenever a creature attacks, this artifact deals 1 damage to it.

Bludgeon Brawl

Each noncreature, non-Equipment artifact is an Equipment with equip {X} and "Equipped creature gets +X/+0," where X is that artifact's mana value.

Stack of Paperwork

When Stack of Paperwork enters, draw a card.
Combat damage uses the stack. (Combat damage assignment can be responded to before damage is dealt. You know, like it used to.)

Moat

Zzzyxas's Abyss

At the beginning of your upkeep, destroy all nonland permanents with the first name alphabetically among nonland permanents.

Oath of Mages

At the beginning of each player's upkeep, that player chooses target player who has more life than they do and is their opponent. The first player may have this enchantment deal 1 damage to the second player.

Earnest Fellowship

Each creature has protection from its colors.

Shifting Sky

As this enchantment enters, choose a color.
All nonland permanents are the chosen color.

Blood Clock

At the beginning of each player's upkeep, that player returns a permanent they control to its owner's hand unless they pay 2 life.

Heat Stroke

At end of combat, destroy each creature that blocked or was blocked this turn.

Dense Canopy

Creatures with flying can block only creatures with flying.

Nature's Revolt

All lands are 2/2 creatures that are still lands.

Feroz's Ban

Favor of the Mighty

Each creature with the greatest mana value has protection from each color.

Gate to the Aether

At the beginning of each player's upkeep, that player reveals the top card of their library. If it's an artifact, creature, enchantment, or land card, the player may put it onto the battlefield.

First Come, First Served

Each attacking or blocking creature with the lowest collector number among attacking or blocking creatures has first strike.

Battle Strain

Whenever a creature blocks, this enchantment deals 1 damage to that creature's controller.

Bedlam

Anvil of Bogardan

Players have no maximum hand size.
At the beginning of each player's draw step, that player draws an additional card, then discards a card.

Antagonism

At the beginning of each player's end step, this enchantment deals 2 damage to that player unless one of their opponents was dealt damage this turn.