Damage that would reduce your life total to less than 1 reduces it to 1 instead.

Exile All Hallow's Eve with two scream counters on it.

At the beginning of your upkeep, if All Hallow's Eve is exiled with a scream counter on it, remove a scream counter from it. If there are no more scream counters on it, put it into your graveyard and each player returns all creature cards from their graveyard to the battlefield.

This spell can't be countered.

Green spells you control can't be countered.

{4}{G}{G}: Until end of turn, each Elf creature you control has base power and toughness 5/5 and becomes a Dinosaur in addition to its other creature types.

{G}{W}{U}, {T}: Prevent all combat damage that would be dealt this turn. Activate only before the combat damage step.

({T}: Add {B} or {R}.)

({T}: Add {B} or {G}.)

{T}: Draw two cards, then discard three cards.

{2}, {T}: Add {B} for each Swamp you control.

{X}, {T}: Untap X target lands.

Take an extra turn after this one.

As Cavern of Souls enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

If a player would draw a card except the first one they draw in each of their draw steps, that player discards a card instead. If the player discards a card this way, they draw a card. If the player doesn't discard a card this way, they mill a card.

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.

When you play another land, sacrifice City of Traitors.

{T}: Add {C}{C}.

{2}, {T}: Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate only during your upkeep.

When Cyclopean Tomb is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with Cyclopean Tomb but that a mire counter has not been removed from with Cyclopean Tomb.

{T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

When Dong Zhou, the Tyrant enters the battlefield, target creature an opponent controls deals damage equal to its power to that player.

At the beginning of your upkeep, destroy the creature with the least power. It can't be regenerated. If two or more creatures are tied for least power, you choose one of them.

When there are no creatures on the battlefield, sacrifice Drop of Honey.

Tap an untapped creature you control: Untap target basic land.

{T}: Add {C}.

{T}: Regenerate target Elephant.

Starting with you, each player may put a permanent card from their hand onto the battlefield. Repeat this process until no one puts a card onto the battlefield.

Players play with the top card of their libraries revealed.

Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creature spells.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

{1}: The next time an unblocked creature of your choice would deal combat damage to you this turn, prevent all but 1 of that damage.

{T}: Add {G} for each creature you control.

Red creatures get +1/+1.

Whenever a Mountain is tapped for mana, its controller adds an additional {R}.

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.

Grim Monolith doesn't untap during your untap step.

{T}: Add {C}{C}{C}.

{4}: Untap Grim Monolith.

As long as Guardian Beast is untapped, noncreature artifacts you control can't be enchanted, they have indestructible, and other players can't gain control of them. This effect doesn't remove Auras already attached to those artifacts.

{T}: Target player discards a card at random. Activate only during your turn.

When Hazezon Tamar enters the battlefield, create X 1/1 Sand Warrior creature tokens that are red, green, and white at the beginning of your next upkeep, where X is the number of lands you control at that time.

When Hazezon leaves the battlefield, exile all Sand Warriors.

Flying

{G}: Ifh-Bíff Efreet deals 1 damage to each creature with flying and each player. Any player may activate this ability.

{X}: You may choose a creature card in your hand whose mana cost could be paid by some amount of, or all of, the mana you spent on {X}. If you do, you may cast that card face down as a 2/2 creature spell without paying its mana cost. If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage, be dealt damage, or become tapped, instead it's turned face up and assigns or deals damage, is dealt damage, or becomes tapped. Activate only as a sorcery.

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

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

Search your library for three cards and reveal them. Target opponent chooses one. Put that card into your hand and the rest into your graveyard. Then shuffle.

{T}: Target creature with flying has base power 0 until end of turn.

At the beginning of your upkeep, Juzám Djinn deals 1 damage to you.

At the beginning of each end step, put a +1/+1 counter on Khabál Ghoul for each creature that died this turn.

{T}: Destroy target Djinn or Efreet.

{T}: Return Lady Sun and another target creature to their owners' hands. Activate only during your turn, before attackers are declared.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add {B}.

{T}, Sacrifice a Swamp: Add {B}{B}{B}{B}.

If an opponent who controls at least as many lands as you do would put a land onto the battlefield, that player instead puts that land onto the battlefield then sacrifices a land.

As Lich enters the battlefield, you lose life equal to your life total.

You don't lose the game for having 0 or less life.

If you would gain life, draw that many cards instead.

Whenever you're dealt damage, sacrifice that many nontoken permanents. If you can't, you lose the game.

When Lich is put into a graveyard from the battlefield, you lose the game.

Discard your hand, Sacrifice Lion's Eye Diamond: Add three mana of any one color. Activate only as an instant.

All lands are 1/1 creatures that are still lands.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

{T}: Add {C}{C}.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

{T}: Reveal any number of artifact cards in your hand. Add {C}{C} for each card revealed this way.

{T}, Sacrifice Mirror Universe: Exchange life totals with target opponent. Activate only during your upkeep.

{T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells.

Creatures without flying can't attack.

If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add one mana of any color.

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.

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

Activated abilities of artifacts can't be activated.

You may choose not to untap Old Man of the Sea during your untap step.

{T}: Gain control of target creature with power less than or equal to Old Man of the Sea's power for as long as Old Man of the Sea remains tapped and that creature's power remains less than or equal to Old Man of the Sea's power.

({T}: Add {R} or {W}.)

Enchant artifact

Enchanted artifact's activated abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

{2}: Choose one --

• Destroy target Aura attached to a land.

• The next time target land would be destroyed this turn, remove all damage marked on it instead.

Whenever one or more creatures you control attack, each defending player divides all creatures without flying they control into a "left" pile and a "right" pile. Then, for each attacking creature you control, choose "left" or "right." That creature can't be blocked this combat except by creatures with flying and creatures in a pile with the chosen label.

Rasputin Dreamweaver enters the battlefield with seven dream counters on it.

Remove a dream counter from Rasputin: Add {C}.

Remove a dream counter from Rasputin: Prevent the next 1 damage that would be dealt to Rasputin this turn.

At the beginning of your upkeep, if Rasputin started the turn untapped, put a dream counter on it.

Rasputin can't have more than seven dream counters on it.

Destroy all lands.

Return all enchantment cards from your graveyard to the battlefield. (Auras with nothing to enchant remain in your graveyard.)

Target creature gets +2/+2 and gains horsemanship. (It can't be blocked except by creatures with horsemanship. This effect lasts indefinitely.)

{5}, {T}, Exile Ring of Ma'rûf: The next time you would draw a card this turn, instead put a card you own from outside the game into your hand.

({T}: Add {G} or {W}.)

{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.

({T}: Add {W} or {B}.)

Flying

At the beginning of your upkeep, sacrifice a land. If you sacrifice an Island this way, Serendib Djinn deals 3 damage to you.

When you control no lands, sacrifice Serendib Djinn.

{T}: Add {W} for each enchantment you control.

{T}: Target attacking creature has base power 0 until end of turn.

All Sliver creatures get +1/+1 for each other Sliver on the battlefield.

{2}: Create a 1/1 colorless Sliver creature token.

{G}, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

Search your library for a creature card, reveal it, then shuffle and put that card on top.

({T}: Add {R} or {G}.)

You may choose not to untap Tawnos's Coffin during your untap step.

{3}, {T}: Exile target creature and all Auras attached to it. Note the number and kind of counters that were on that creature. When Tawnos's Coffin leaves the battlefield or becomes untapped, return that exiled card to the battlefield under its owner's control tapped with the noted number and kind of counters on it. If you do, return the other exiled cards to the battlefield under their owner's control attached to that permanent.

At the beginning of each player's upkeep, destroy target nonartifact creature that player controls of their choice. It can't be regenerated.

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

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Flying, first strike

Exile Time Spiral. Each player shuffles their hand and graveyard into their library, then draws seven cards. You untap up to six lands.

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

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.

({T}: Add {G} or {U}.)

({T}: Add {W} or {U}.)

Trample

Two-Headed Giant of Foriys can block an additional creature each combat.

({T}: Add {U} or {B}.)

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

({T}: Add {U} or {R}.)

{T}: Add {C}.

{1}{B}, {T}: Put target creature card from your graveyard on top of your library.

Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

You may choose not to untap Willow Satyr during your untap step.

{T}: Gain control of target legendary creature for as long as you control Willow Satyr and Willow Satyr remains tapped.

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.

Until end of turn, you may play lands and cast spells from your graveyard.

If a card would be put into your graveyard from anywhere this turn, exile that card instead.

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.

When Zodiac Dragon is put into your graveyard from the battlefield, you may return it to your hand.