As an additional cost to cast this spell, sacrifice a blue permanent.

Counter target spell.

When Act of Authority enters the battlefield, you may exile target artifact or enchantment.

At the beginning of your upkeep, you may exile target artifact or enchantment. If you do, its controller gains control of Act of Authority.

At the beginning of each end step, if you drew two or more cards this turn, you may put a quest counter on Archmage Ascension.

As long as Archmage Ascension has six or more quest counters on it, if you would draw a card, you may instead search your library for a card, put that card into your hand, then shuffle.

{R}: Target creature with power 2 or less gains haste until end of turn and can't be blocked this turn.

{T}: Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Whenever a creature attacks you or a planeswalker you control, it gets +2/+0 until end of turn.

{2}: Target player other than Crown of Doom's owner gains control of it. Activate only during your turn.

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.

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.

Target player gains control of up to three target nonattacking creatures until end of turn. Untap those creatures. They block this turn if able.

Cumulative upkeep--Pay 1 life. (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.)

At the beginning of each player's upkeep, that player sacrifices a green or white permanent.

Each creature has protection from its colors.

{T}: Add {C}.

{2}, {T}: Exile target creature you control.

{4}, {T}, Sacrifice Endless Sands: Return each creature card exiled with Endless Sands to the battlefield under its owner's control.

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."

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.)

Prevent all damage that would be dealt by instant and sorcery spells.

Creatures with flying don't untap during their controllers' untap steps.

{1}, {T}, Sacrifice a creature: Count the colors of the sacrificed creature, then search your library for a creature card that's exactly that many colors plus one. Exile that card, then shuffle. You may cast the exiled card. Activate only as a sorcery.

When Eye of Doom enters the battlefield, each player chooses a nonland permanent and puts a doom counter on it.

{2}, {T}, Sacrifice Eye of Doom: Destroy each permanent with a doom counter on it.

When Eye of Singularity enters the battlefield, destroy each permanent with the same name as another permanent, except for basic lands. They can't be regenerated.

Whenever a permanent other than a basic land enters the battlefield, destroy all other permanents with that name. They can't be regenerated.

False Floor enters the battlefield tapped.

Creatures enter the battlefield tapped.

{2}, {T}, Exile False Floor: Exile all untapped creatures. Activate only as a sorcery.

Destroy all nonbasic lands. For each land destroyed this way, its controller may search their library for a basic land card and put it onto the battlefield. Then each player who searched their library this way shuffles.

Sacrifice a creature: Destroy target artifact. Activate only during your upkeep and only once each turn.

Whenever an artifact becomes tapped or a player activates an artifact's ability without {T} in its activation cost, Haunting Wind deals 1 damage to that artifact's controller.

Put a card from your hand on top of your library: Prevent all damage that would be dealt by target instant or sorcery spell this turn.

Each artifact spell costs {1} more to cast for each artifact its controller controls.

At the beginning of your end step, target opponent gains control of Jinxed Choker and puts a charge counter on it.

At the beginning of your upkeep, Jinxed Choker deals damage to you equal to the number of charge counters on it.

{3}: Put a charge counter on Jinxed Choker or remove one from it.

At the beginning of your upkeep, Jinxed Idol deals 2 damage to you.

Sacrifice a creature: Target opponent gains control of Jinxed Idol.

Whenever a nontoken permanent is put into your graveyard from the battlefield, Jinxed Ring deals 1 damage to you.

Sacrifice a creature: Target opponent gains control of Jinxed Ring. (This effect lasts indefinitely.)

Jovial Evil deals X damage to target opponent, where X is twice the number of white creatures that player controls.

{1}, {T}: Add {R}{G}{W}.

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.

Whenever a creature enters the battlefield, destroy it.

{0}: Destroy Lethal Vapors. You skip your next turn. Any player may activate this ability.

If a creature with a magnet counter on it attacks, all creatures with magnet counters on them attack if able.

Whenever a creature with a magnet counter on it attacks, all creatures with magnet counters on them block that creature this turn if able.

{1}, {T}: Put a magnet counter on target creature.

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

Flying

{1}{B}, {T}: Rather than pay the mana cost of the next spell you cast this turn, you may pay life equal to that spell's mana value.

Destroy each artifact with mana value X or less.

Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.

Whenever you draw a card, exile the top card of your library face down.

At the beginning of your upkeep, you may exile all cards from your hand face down. If you do, put all other cards you own exiled with Moonring Mirror into your hand.

When Mystic Barrier enters the battlefield or at the beginning of your upkeep, choose left or right.

Each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent.

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.

Each player who controls six or more lands chooses five lands they control and sacrifices the rest. Each player who controls four or fewer lands may search their library for up to X basic land cards and put them onto the battlefield, where X is five minus the number of lands they control. Then each player who searched their library this way shuffles.

{2}, {T}, Discard your hand: Counter target noncreature spell.

Return all Islands to their owners' hands. Each player sacrifices a Plains or a white permanent for each white permanent they control.

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

As Overlaid Terrain enters the battlefield, sacrifice all lands you control.

Lands you control have "{T}: Add two mana of any one color."

Each player may bid life. You start the bidding with a bid of any number. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid and draws four cards.

Trample

While you're searching your library, you may cast Panglacial Wurm from your library.

Enchant player

At the beginning of enchanted player's first upkeep each turn, that player gets an additional upkeep step after this step.

For each creature token on the battlefield, its controller creates a token that's a copy of that creature.

Flashback {4}{G}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever a land card is put into your graveyard from your library, you may pay {1}. If you do, draw a card.

Until end of turn, you may tap lands you don't control for mana. Spend this mana only to cast spells.

Until end of turn, if target player would draw a card, instead that player skips that draw and you draw a card.

At the beginning of your upkeep, put a plague counter on Plague Boiler.

{1}{B}{G}: Put a plague counter on Plague Boiler or remove a plague counter from it.

When Plague Boiler has three or more plague counters on it, sacrifice it. If you do, destroy all nonland permanents.

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

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 Porphyry Nodes.

You may choose not to untap Preacher during your untap step.

{T}: For as long as Preacher remains tapped, gain control of target creature of an opponent's choice they control.

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

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

Whenever a player chooses one or more targets, each player reveals the top card of their library. The player who reveals the card with the highest mana value may change the target or targets. If two or more cards are tied for highest, the target or targets remain unchanged. Changing targets this way doesn't trigger abilities of permanents named Psychic Battle.

Whenever an opponent shuffles their library, you may look at the top two cards of that library. You may exile one of those cards. Then put the rest on top of that library in any order.

Whenever a spell or ability causes a player to shuffle their library, Psychogenic Probe deals 2 damage to that player.

Whenever a player casts a creature spell, destroy all Reflections. Then that player creates an X/X white Reflection creature token, where X is the mana value of that spell.

Flash

When Radiant Performer enters the battlefield, if you cast it from your hand, choose target spell or ability that targets only a single permanent or player. Copy that spell or ability for each other permanent or player the spell or ability could target. Each copy targets a different one of those permanents and players.

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.

Each player chooses three permanents they control, then sacrifices the rest.

When Realm Razer enters the battlefield, exile all lands.

When Realm Razer leaves the battlefield, return the exiled cards to the battlefield tapped under their owners' control.

Choose target creature. When that creature dies this turn, return a creature card from its owner's graveyard to the battlefield under the control of that creature's owner.

Regenerate target permanent.

Put target land card from a graveyard onto the battlefield under your control.

Return each Aura card from your graveyard to the battlefield. Only creatures can be enchanted this way. (Aura cards that can't enchant a creature on the battlefield remain in your graveyard.)

Creatures with power 2 or less can't attack you.

Return target creature card with mana value 3 or less from your graveyard to the battlefield.

---

Double your life total. Target opponent loses half their life, rounded up.

When Riftsweeper enters the battlefield, choose target face-up exiled card. Its owner shuffles it into their library.

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

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

Cumulative upkeep {2} (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 a land is tapped for mana, it produces colorless mana instead of any other type.

{1}{W}, Sacrifice Sacred Guide: Reveal cards from the top of your library until you reveal a white card. Put that card into your hand and exile all other cards revealed this way.

{2}, {T}: Exile target creature you control.

At the beginning of your upkeep, you may sacrifice Safe Haven. If you do, return each card exiled with Safe Haven to the battlefield under its owner's control.

{T}: Creatures you control gain protection from the colors of target permanent you control until end of turn.

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.

This spell can't be countered.

The next creature spell you cast this turn can be cast as though it had flash. That spell can't be countered. That creature enters the battlefield with an additional +1/+1 counter on it.

Flash

Enchant creature you control

When Saving Grace enters the battlefield, all damage that would be dealt this turn to you and permanents you control is dealt to enchanted creature instead.

Enchanted creature gets +0/+3.

As an additional cost to cast this spell, sacrifice a creature.

Return any number of target creatures you control to their owner's hand.

{T}, Sacrifice Scarab of the Unseen: Return all Auras attached to target permanent you own to their owners' hands. Draw a card at the beginning of the next turn's upkeep.

{T}, Sacrifice Scourglass: Destroy all permanents except for artifacts and lands. Activate only during your upkeep.

The next creature card you play this turn can be played as though it had flash.

Draw a card.

Equipped creature gets +2/+2.

Whenever a creature dealt damage by equipped creature this turn dies, return that card to the battlefield under your control. Attach Scythe of the Wretched to that creature.

Equip {4}

At the beginning of your upkeep, sacrifice Season of the Witch unless you pay 2 life.

At the beginning of the end step, destroy all untapped creatures that didn't attack this turn, except for creatures that couldn't attack.

Enchant creature

{T}: Tap enchanted creature.

{T}: Untap enchanted creature.

At the beginning of your upkeep, destroy all artifacts and enchantments. They can't be regenerated.

Trample

Echo {0} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Shah of Naar Isle's echo cost is paid, each opponent may draw up to three cards.

Whenever Shape Stealer blocks or becomes blocked by a creature, change Shape Stealer's base power and toughness to that creature's power and toughness until end of turn.

At the beginning of each opponent's upkeep, that player reveals the top card of their library. If it's a creature card, the player puts the card into their graveyard and Shapeshifter's Marrow becomes a copy of that card. (If it does, it loses this ability.)

{3}{U}, Exile Shifty Doppelganger: You may put a creature card from your hand onto the battlefield. If you do, that creature gains haste until end of turn. At the beginning of the next end step, sacrifice that creature. If you do, return Shifty Doppelganger to the battlefield.

Flying

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)

Whenever Shimmering Efreet phases in, target creature phases out. (It phases in before its controller untaps during their next untap step.)

Target opponent chooses a card in your graveyard. You may pay {B}. If you do, repeat this process except that opponent can't choose a card already chosen for Shrouded Lore. Then put the last chosen card into your hand.

{T}, Sacrifice two lands: Draw three cards, then discard one of them.

Put a double strike counter on target creature, then goad each creature that had a double strike counter put on it this way. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Overload {4}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Shadow (This creature can block or be blocked by only creatures with shadow.)

Forecast -- {1}{W}, Reveal Spirit en-Dal from your hand: Target creature gains shadow until end of turn. (Activate only during your upkeep and only once each turn.)

Creatures and lands you control have shroud. (They can't be the targets of spells or abilities.)

When a creature you control attacks, sacrifice Spiritual Asylum.

{2}{G}: Splintering Wind deals 1 damage to target creature. Create a 1/1 green Splinter creature token. It has flying and "Cumulative upkeep {G}." When it leaves the battlefield, it deals 1 damage to you and each creature you control. (At the beginning of its controller's upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it.)

Create an X/X black Horror creature token, where X is the number of creatures that died this turn.

Prevent all combat damage that would be dealt to and dealt by creatures you control.

Cast this spell only during combat.

You may put a nonwhite creature card from your hand onto the battlefield. At the beginning of the next end step, return that creature to your hand. (Return it only if it's on the battlefield.)

Skip your draw step.

{1}, Tap two untapped creatures you control: Draw a card.

At the beginning of each upkeep, you may exile target creature card from your graveyard. If you do, create a token that's a copy of that card, except it's a Spirit in addition to its other types. Exile it at the beginning of the next end step.

Whenever a noncreature source you control deals damage, you gain that much life.

Whenever a player casts a creature spell, that player adds {G}.

At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.

Cumulative upkeep {2} (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.)

Pay 2 life or {2}: Counter target red or green spell. Any player may activate this ability.

{1}: Return target land you control to its owner's hand.

{1}, Discard a land card: Draw a card.

{3}, {T}: Put a hatchling counter on Triassic Egg.

Sacrifice Triassic Egg: Choose one. Activate only if there are two or more hatchling counters on Triassic Egg.

• You may put a creature card from your hand onto the battlefield.

• Return target creature card from your graveyard to the battlefield.

Whenever you cast a spell, creatures you control can't be the targets of spells or abilities your opponents control this turn.

Whenever a Forest is tapped for mana, its controller adds an additional {G}.

Volcano Hellion has echo {X}, where X is your life total. (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Volcano Hellion enters the battlefield, it deals an amount of damage of your choice to you and target creature. The damage can't be prevented.

Pay 5 life: Destroy Volrath's Dungeon. Any player may activate this ability but only during their turn.

Discard a card: Target player puts a card from their hand on top of their library. Activate only as a sorcery.

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 all artifacts, enchantments, and nonbasic lands they control. For each land sacrificed this way, its controller may search their library for a basic land card and put it onto the battlefield tapped. Then each player who searched their library this way shuffles.

{2}: Draw a card. Any player may activate this ability but only during their draw step.

You can't cast more than one spell each turn.

You may play lands and cast spells from your graveyard.

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