Whenever a creature enters the battlefield, Aether Flash deals 2 damage to it.

Flash

If an opponent would draw two or more cards, instead you and that player each draw a card.

Flying

Other nonblack creatures you control get +1/+1.

Players can't pay life or sacrifice creatures to cast spells or activate abilities.

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

Flying

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

Nonbasic lands your opponents control enter the battlefield tapped.

Flying, vigilance, trample

As Archon of Valor's Reach enters the battlefield, choose artifact, enchantment, instant, sorcery, or planeswalker.

Players can't cast spells of the chosen type.

Legendary creatures don't untap during their controllers' untap steps.

When Arena of the Ancients enters the battlefield, tap all legendary creatures.

Destroy all lands.

Spells and abilities your opponents control can't cause their controller to search their library.

-1: Target player mills four cards. Then exile each opponent's graveyard.

As Ashling's Prerogative enters the battlefield, 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 the battlefield tapped.

Artifact and enchantment spells your opponents cast cost {2} more to cast.

Sacrifice Aura of Silence: Destroy target artifact or enchantment.

Creatures your opponents control enter the battlefield tapped.

Whenever a creature enters the battlefield under an opponent's control, you gain 1 life.

Flash

Flying

If an opponent would search a library, that player searches the top four cards of that library instead.

Nonbasic lands don't untap during their controllers' untap steps.

Flying

Creatures can't attack you.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Artifacts and creatures your opponents control enter the battlefield tapped.

Nonbasic lands are Mountains.

When Blood Sun enters the battlefield, draw a card.

All lands lose all abilities except mana abilities.

Each player chooses from among the permanents they control an artifact, a creature, an enchantment, and a land, then sacrifices the rest.

Chalice of the Void enters the battlefield with X charge counters on it.

Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void, counter that spell.

You may reveal this card from your opening hand. If you do, when each opponent casts their first spell of the game, counter that spell unless that player pays {1}.

Flying

Whenever an opponent casts a spell, counter it unless that player pays {1}.

Players can cast spells and activate abilities only during their own turns.

Activated abilities of artifacts can't be activated.

Flash

If a nontoken creature would enter the battlefield and it wasn't cast, exile it instead.

At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature.

If a land is tapped for mana, it produces {B} instead of any other type and amount.

No more than two creatures can attack you each combat.

Activated abilities of creatures can't be activated.

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.

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

{T}: Exile target land card from a graveyard. Add one mana of any color.

{B}, {T}: Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.

{G}, {T}: Exile target creature card from a graveyard. You gain 2 life.

Each spell costs {3} more to cast except during its controller's turn.

At the beginning of each end step, each player who tapped a land for mana this turn sacrifices a land. Desolation deals 2 damage to each player who sacrificed a Plains this way.

At the beginning of each player's upkeep, that player sacrifices a nonbasic land.

Players can cast spells only during their own turns.

Your opponents can't cast spells from anywhere other than their hands.

Flash

When Dress Down enters the battlefield, draw a card.

Creatures lose all abilities.

At the beginning of the end step, sacrifice Dress Down.

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

Vigilance

Other creatures you control get +2/+2.

Creatures your opponents control get -2/-2.

{U}{U}, {T}: Gain control of target legendary permanent. (This effect lasts indefinitely.)

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

Creatures with power greater than the number of cards in your hand can't attack.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power.

Each player who has cast a nonartifact spell this turn can't cast additional nonartifact spells.

Search target player's library for a card and exile it. Then that player shuffles.

At the beginning of each opponent's upkeep, that player chooses draw step, main phase, or combat phase. The player skips each instance of the chosen step or phase this turn.

At the beginning of your end step, Flame Blitz deals 5 damage to each planeswalker.

Cycling {2} ({2}, Discard this card: Draw a card.)

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

Noncreature spells with mana value 4 or greater can't be cast.

Noncreature spells with {X} in their mana costs can't be cast.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

+1: Until your next turn, prevent all damage target permanent would deal.

0: Until end of turn, Gideon of the Trials becomes a 4/4 Human Soldier creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn.

0: You get an emblem with "As long as you control a Gideon planeswalker, you can't lose the game and your opponents can't win the game."

Flying

When Gilded Drake enters the battlefield, exchange control of Gilded Drake and up to one target creature an opponent controls. If you don't or can't make an exchange, sacrifice Gilded Drake. This ability still resolves if its target becomes illegal.

Noncreature spells cost {1} more to cast.

Creature cards in graveyards and libraries can't enter the battlefield.

Players can't cast spells from graveyards or libraries.

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

White spells you cast cost {1} less to cast.

Blue spells you cast cost {1} less to cast.

Spells your opponents cast cost {1} more to cast.

When Ground Seal enters the battlefield, draw a card.

Cards in graveyards can't be the targets of spells or abilities.

At the beginning of each player's upkeep, that player chooses a color. Until end of turn, lands tapped for mana produce mana of the chosen color instead of any other color.

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, Harsh Mentor deals 2 damage to that player.

Lands don't untap during their controllers' untap steps.

At the beginning of each player's upkeep, that player untaps a land they control.

Flash

If an opponent would draw a card except the first one they draw in each of their draw steps, instead you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

All creatures lose all abilities and have base power and toughness 1/1.

Flying, lifelink

Creatures entering the battlefield or dying don't cause abilities to trigger.

Flash

Flying

Creatures entering the battlefield don't cause abilities to trigger.

Whenever a player casts a spell, any other player may pay that spell's mana cost. If a player does, counter the spell. (Mana cost includes color.)

At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands.

Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value.

Flash

At the beginning of your end step, draw seven cards.

Each opponent's maximum hand size is reduced by seven.

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

Activated abilities of artifacts your opponents control can't be activated.

+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.

-2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.

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

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

At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Players can't search libraries. Any player may pay {2} for that player to ignore this effect until end of turn.

If Leyline of the Void is in your opening hand, you may begin the game with it on the battlefield.

If a card would be put into an opponent's graveyard from anywhere, exile it instead.

Whenever one or more creatures attack, Lightmine Field deals damage to each of those creatures equal to the number of attacking creatures.

Flying

Activated abilities of creatures your opponents control can't be activated.

When Llawan, Cephalid Empress enters the battlefield, return all blue creatures your opponents control to their owners' hands.

Your opponents can't cast blue creature spells.

Nonartifact spells cost {1} more to cast.

Nonbasic lands are Mountains.

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

Whenever a player casts a spell, that player returns a land they control to its owner's hand.

Players can't cast spells that share a color with the spell most recently cast this turn.

Whenever a land an opponent controls is tapped for mana, tap all lands that player controls that could produce any type of mana that land could produce.

When Manglehorn enters the battlefield, you may destroy target artifact.

Artifacts your opponents control enter the battlefield tapped.

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

As Meddling Mage enters the battlefield, choose a nonland card name.

Spells with the chosen name can't be cast.

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

Players can't search libraries.

Each opponent can't draw more than one card each turn.

-2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever a player casts a spell, counter it unless that player pays {3}.

As Nevermore enters the battlefield, choose a nonland card name.

Spells with the chosen name can't be cast.

({W/P} can be paid with either {W} or 2 life.)

Creatures can't attack you or planeswalkers you control unless their controller pays {W/P} for each of those creatures.

Flash

If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.

Activated abilities of artifacts can't be activated.

Flying

Whenever the first noncreature spell of a turn is cast, counter that spell.

Flash

You control your opponents while they're searching their libraries.

While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.

Whenever a player puts a nontoken creature onto the battlefield, that player returns a land they control to its owner's hand.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

At the beginning of your upkeep, sacrifice Peacekeeper unless you pay {1}{W}.

Creatures can't attack.

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

As Phyrexian Revoker enters the battlefield, choose a nonland card name.

Activated abilities of sources with the chosen name can't be activated.

As Pithing Needle enters the battlefield, choose a card name.

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

At the beginning of your upkeep, flip a coin. If you lose the flip, sacrifice Planar Chaos.

Whenever a player casts a spell, that player flips a coin. If they lose the flip, counter that spell.

Flying

You can't lose the game and your opponents can't win the game.

If a player would draw a card, that player skips that draw instead.

At the beginning of each end step, each player sacrifices a permanent unless they discard a card.

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.

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

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

At the beginning of each player's upkeep, that player puts a flood counter on target non-Island land they control of their choice. That land is an Island for as long as it has a flood counter on it.

At the beginning of each end step, if all lands on the battlefield are Islands, remove all flood counters from them.

Destroy all lands.

When Rest in Peace enters the battlefield, exile all graveyards.

If a card or token would be put into a graveyard from anywhere, exile it instead.

Lands don't untap during their controllers' untap steps.

At the beginning of each player's upkeep, that player untaps a land they control.

Artifacts and lands enter the battlefield tapped.

Destroy all nonbasic lands.

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

Vigilance, reach

Ruric Thar, the Unbowed attacks each combat if able.

Whenever a player casts a noncreature spell, Ruric Thar deals 6 damage to that player.

At the beginning of your upkeep, choose target opponent. This turn, that player can't cast spells or activate abilities and plays with their hand revealed. You may play lands and cast spells from that player's hand this turn.

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

At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.

At the beginning of each opponent's upkeep, that player sacrifices a creature.

Your opponents can't cast spells this turn.

No more than one creature can attack each combat.

No more than one creature can block each combat.

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

At the beginning of your upkeep, you may put a soot counter on Smokestack.

At the beginning of each player's upkeep, that player sacrifices a permanent for each soot counter on Smokestack.

As Sorcerous Spyglass enters the battlefield, look at an opponent's hand, then choose any card name.

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Spells cost {1} more to cast.

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.

Each player can't draw more than one card each turn.

Players skip their untap steps.

At the beginning of your upkeep, sacrifice Stasis unless you pay {U}.

As long as Static Orb is untapped, players can't untap more than two permanents during their untap steps.

Activated abilities of artifacts can't be activated.

Your opponents can't search libraries.

If an opponent would begin an extra turn, that player skips that turn instead.

Activated abilities cost {2} more to activate unless they're mana abilities.

Fading 4 (This artifact enters the battlefield with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

At the beginning of each player's upkeep, that player taps an untapped artifact, creature, or land they control for each fade counter on Tangle Wire.

Whenever a land enters the battlefield, tap all lands its controller controls.

Flash

Creature cards you own that aren't on the battlefield have flash.

Each opponent can cast spells only any time they could cast a sorcery.

Each opponent can cast spells only any time they could cast a sorcery.

+1: Until your next turn, you may cast sorcery spells as though they had flash.

-3: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.

Your opponents play with their hands revealed.

First strike

Noncreature spells cost {1} more to cast.

First strike

Creatures and nonbasic lands your opponents control enter the battlefield tapped.

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

Noncreature spells cost {1} more to cast.

Each noncreature artifact loses all abilities and becomes an artifact creature with power and toughness each equal to its mana value. If Titania's Song leaves the battlefield, this effect continues until end of turn.

Creatures entering the battlefield don't cause abilities to trigger.

Flying

Lands on the battlefield and land cards in graveyards can't be the targets of spells or abilities your opponents control.

Your opponents can't play land cards from graveyards.

Creatures entering the battlefield don't cause abilities to trigger.

As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)

When Tsabo's Web enters the battlefield, draw a card.

Each land with an activated ability that isn't a mana ability doesn't untap during its controller's untap step.

Creatures played by your opponents enter the battlefield tapped.

Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell.

Your opponents can't cast spells with even mana values. (Zero is even.)

Your opponents can't block with creatures with even mana values.

Trample

Whenever you tap a land for mana, add one mana of any type that land produced.

Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.

Flying

Noncreature spells cost {1} more to cast.

Whenever an opponent casts an instant or sorcery spell, they may pay {2}. If they don't, you may copy that spell. You may choose new targets for the copy.

Each player looks at the top five cards of their library and may reveal a land card and/or an instant or sorcery card from among them. Each player puts the cards they revealed this way into their hand and the rest on the bottom of their library in a random order. Each player gains 3 life.

Whenever an opponent taps a land for mana, tap all lands that player controls.

If a creature an opponent controls attacks, all creatures that opponent controls attack if able.

Each opponent who controls more creatures than you can't cast creature spells. The same is true for artifacts and enchantments.

Each opponent who controls more lands than you can't play lands.

Each player sacrifices four lands. Wildfire deals 4 damage to each creature.

Flying

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

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