Barrin

Sacrifice a permanent: Return target creature to its owner's hand.

Skybreen

Players play with the top card of their libraries revealed.
Spells that share a card type with the top card of a library can't be cast.
Whenever chaos ensues, target player loses life equal to the number of cards in their hand.

Mondassian Colony Ship

Whenever a creature attacks, it gets +1/+1 until end of turn for each other creature its controller controls that shares a creature type with it.
Whenever chaos ensues, turn target creature face down. It becomes a 2/2 Cyberman artifact creature.

Norn's Seedcore

When you planeswalk to Norn's Seedcore, chaos ensues.
Whenever chaos ensues, reveal cards from the top of your planar deck until you reveal a plane card. Planeswalk to it, except don't planeswalk away from any plane. Put the rest of the revealed cards on the bottom of your planar deck in any order.

My Laughter Echoes

(An ongoing scheme remains face up until it's abandoned.)
Whenever you set a non-ongoing scheme in motion, you may abandon this scheme. If you do, set that scheme in motion again.

The Cave of Skulls

Each creature card in your graveyard has scavenge. The scavenge cost is equal to its mana cost. (Exile a creature card from your graveyard and pay its mana cost: Put a number of +1/+1 counters equal to that card's power on target creature. Scavenge only as a sorcery.)
Whenever chaos ensues, create two 1/1 white Warrior creature tokens.

The Golden City of Orazca

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. Then draw a card if you have the city's blessing.
Whenever chaos ensues, you may put a permanent card from your hand onto the battlefield tapped.

Nature Shields Its Own

(An ongoing scheme remains face up until it's abandoned.)
Whenever a creature attacks and isn't blocked, if you're the defending player, create a 0/1 green Plant creature token that's blocking that creature.
When four or more creatures attack you, abandon this scheme at end of combat.

The Caldaia

Creature spells you cast from your hand have blitz {3}. (If you cast a spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)
Whenever chaos ensues, return target creature card from your graveyard to your hand.

Murasa

Whenever a nontoken creature enters, its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.
Whenever chaos ensues, target land becomes a 4/4 creature that's still a land.

Sokenzan

All creatures get +1/+1 and have haste.
Whenever chaos ensues, untap all creatures that attacked this turn. If it's a main phase, there is an additional combat phase after this phase, followed by an additional main phase.

The Eon Fog

Players skip their untap steps.
Whenever chaos ensues, untap all permanents you control.

Nothing Can Stop Me Now

(An ongoing scheme remains face up until it's abandoned.)
If a source an opponent controls would deal damage to you, prevent 1 of that damage.
At the beginning of each end step, if you've been dealt 5 or more damage this turn, abandon this scheme.

Xantcha

Sacrifice a permanent: Regenerate target creature.

Grixis

Blue, black, and/or red creature cards in your graveyard have unearth. The unearth cost is equal to the card's mana cost. (Pay the card's mana cost: Return it to the battlefield. The creature gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)
Whenever chaos ensues, put target creature card from a graveyard onto the battlefield under your control.

I Bask in Your Silent Awe

(An ongoing scheme remains face up until it's abandoned.)
Each opponent can't cast more than one spell each turn.
At the beginning of your upkeep, if no opponent cast a spell since your last turn ended, abandon this scheme.

Imprison This Insolent Wretch

(An ongoing scheme remains face up until it's abandoned.)
When you set this scheme in motion, choose an opponent.
Permanents the chosen player controls don't untap during their untap step.
When the chosen player is attacked or becomes the target of a spell or ability, abandon this scheme.

What's Yours Is Now Mine

When you set this scheme in motion, gain control of target creature an opponent controls and untap it.

Takenuma

Whenever a creature leaves the battlefield, its controller draws a card.
Whenever chaos ensues, return target creature you control to its owner's hand.

Wanted!

Before the game, shuffle at least 6 unique bounty cards into a face-down pile.
As the starting player's third turn begins, reveal the top bounty card.
Claim the revealed bounty during your turn and collect your reward!
As each turn begins, if no bounty is being offered, reveal the next one. If the pile is empty, shuffle all claimed bounties and restock
If the bounty went unclaimed last turn, increase its reward to the next level.
Rewards
1 — Create a Treasure token
2 — Create two Treasure tokens
3 — Create two Treasure tokens *or* draw a card
4 — (Max) Create two Treasure tokens *and* draw a card.

Bounty: Frankie The Fang

At the beginning of your end step, if the player with the most life or tied for most life as the turn began was dealt combat damage this turn, collect your reward.

Bounty: Frankie The Fang // Wanted!

Aretopolis

When you planeswalk to Aretopolis and at the beginning of your upkeep, put a scroll counter on Aretopolis, then you gain life equal to the number of scroll counters on it.
When Aretopolis has ten or more scroll counters on it, planeswalk.
Whenever chaos ensues, put a scroll counter on Aretopolis, then draw cards equal to the number of scroll counters on it.

Selesnya Loft Gardens

If an effect would create one or more tokens, it creates twice that many of those tokens instead.
If an effect would put one or more counters on a permanent, it puts twice that many of those counters on that permanent instead.
Whenever chaos ensues, until end of turn, whenever you tap a land for mana, add one mana of any type that land produced.

The Champion

{2}, {T}, Exile The Champion: Search your library for a legendary artifact card that isn't a creature, reveal it, and put it onto the battlefield. Then shuffle your library.

The Lux Foundation Library

Players have no maximum hand size.
Whenever a creature you control deals combat damage to a player, you may draw a card.
Whenever chaos ensues, put a shadow counter on target creature. (A creature with shadow can block or be blocked by only creatures with shadow.)

Mirri

If a basic land you control is tapped for mana, it produces mana of a color of your choice instead of any other type.

Eladamri

{0}: The next 1 damage that would be dealt to target creature you control is dealt to you instead.

The Dining Car

When you planeswalk to The Dining Car, each player creates a Food token.
Sixty-Six Seconds — At the beginning of your upkeep, sacrifice a creature with the least toughness among creatures you control. Then investigate.
Whenever chaos ensues, activated abilities of artifact tokens you control cost {2} less to activate this turn.

The Warmonger

Exile The Warmonger: Creatures you control get +2/+0 and gain haste until end of turn.

Tahngarth

Strixhaven

Instant and sorcery spells players cast have demonstrate. (Whenever a player casts an instant or sorcery spell, they may copy it. If they do, they choose an opponent to also copy it. Players may choose new targets for their copies.)
Whenever chaos ensues, return up to one target instant or sorcery card from a graveyard to its owner's hand.

Crovax

Whenever a creature you control deals damage to a creature or player, you gain 1 life.

Mount Keralia

At the beginning of your end step, put a pressure counter on Mount Keralia.
When you planeswalk away from Mount Keralia, it deals damage equal to the number of pressure counters on it to each creature and each planeswalker.
Whenever chaos ensues, prevent all damage that planes named Mount Keralia would deal this game to permanents you control.

Sea of Sand

Players reveal each card they draw.
Whenever a player draws a land card, that player gains 3 life.
Whenever a player draws a nonland card, that player loses 3 life.
Whenever chaos ensues, put target permanent on top of its owner's library.

Cloak of the Philosopher

Equipped creature gets +1/+1.
{2}: Untap equipped creature.
Equip {2}

Pompeii

When you planeswalk to Pompeii and at the beginning of your upkeep, put an eruption counter on it.
Whenever you roll a blank on the planar die, scry 2. Then put an eruption counter on Pompeii.
When chaos ensues, Pompeii deals damage to each creature and each player equal to the number of eruption counters on Pompeii. Each player sacrifices a land of their choice. Then planeswalk.

The Tyrant

Exile The Tyrant: Creatures your opponents control get -1/-1 until end of turn.

Ghirapur

At the beginning of combat on your turn, until end of turn, each noncreature, non-Vehicle artifact you control becomes a 5/3 Vehicle in addition to its other types and gains trample, haste, and crew 2.
Whenever chaos ensues, return target noncreature artifact card from your graveyard to your hand.

Esper

Artifact spells cost {1} less to cast.
Whenever chaos ensues, creatures you control that are white, blue, and/or black become artifacts in addition to their other types until end of turn. Then each artifact creature you control gains vigilance, menace, and lifelink until end of turn.

Tooth, Claw, and Tail

When you set this scheme in motion, destroy up to three target nonland permanents.

Naktamun

Each creature card in your graveyard has embalm. Its embalm cost is equal to its mana cost. (Exile a creature card from your graveyard and pay its embalm cost: Create a token that's a copy of it, except it's a white Zombie in addition to its other types with no mana cost. Embalm only as a sorcery.)
Whenever chaos ensues, you may discard a card. If you do, draw a card.

Orim

The Pieces Are Coming Together

When you set this scheme in motion, draw two cards. Artifact spells you cast this turn cost {2} less to cast.

Grand Ossuary

Whenever a creature dies, its controller distributes a number of +1/+1 counters equal to its power among any number of target creatures they control.
Whenever chaos ensues, each player exiles all creatures they control and creates X 1/1 green Saproling creature tokens, where X is the total power of the creatures they exiled this way. Then planeswalk.

Evil Comes to Fruition

When you set this scheme in motion, create seven 0/1 green Plant creature tokens. If you control ten or more lands, create seven 3/3 green Elemental creature tokens instead.

The General

Exile The General: Creatures you control get +1/+1 until end of turn. Untap them.

Your Fate Is Thrice Sealed

When you set this scheme in motion, reveal the top three cards of your library. Put all land cards revealed this way onto the battlefield and the rest into your hand.

Kharasha Foothills

Whenever a creature you control attacks a player, for each other opponent, you may create a token that's a copy of that creature, tapped and attacking that opponent. Exile those tokens at the beginning of the next end step.
Whenever chaos ensues, you may sacrifice any number of creatures. If you do, Kharasha Foothills deals that much damage to target creature.

Which of You Burns Brightest?

When you set this scheme in motion, you may pay {X}. If you do, this scheme deals X damage to target opponent or planeswalker and each creature that player or that planeswalker's controller controls.

Bow to My Command

(An ongoing scheme remains face up until it's abandoned.)
As you set this scheme in motion, choose an opponent.
Creatures the chosen player controls can't attack you or planeswalkers you control.
At the beginning of your opponents' end step, they may tap any number of untapped creatures they control with total power 8 or greater. If they do, abandon this scheme.

The Aether Flues

When you planeswalk to The Aether Flues and at the beginning of your upkeep, you may sacrifice a creature. If you do, reveal cards from the top of your library until you reveal a creature card, put that card onto the battlefield, then shuffle all other cards revealed this way into your library.
Whenever chaos ensues, you may put a creature card from your hand onto the battlefield.

Because I Have Willed It

(An ongoing scheme remains face up until it's abandoned.)
Spells you cast cost {1} less to cast.
At the beginning of your opponents' end step, if they cast four or more spells this turn, abandon this scheme.

Urza

Rotted Ones, Lay Siege

When you set this scheme in motion, for each opponent, create a 2/2 black Zombie creature token that attacks that player each combat if able.

Chaotic Aether

When you encounter Chaotic Aether, each blank roll of the planar die is a {CHAOS} roll until a player planeswalks away from a plane. (Then planeswalk away from this phenomenon.)

Approach My Molten Realm

When you set this scheme in motion, until your next turn, if a source would deal damage, it deals double that damage instead.

I Delight in Your Convulsions

When you set this scheme in motion, each opponent loses 3 life. You gain life equal to the life lost this way.

Sanctum of Serra

When you planeswalk away from Sanctum of Serra, destroy all nonland permanents.
Whenever chaos ensues, you may have your life total become 20.

Human-Time Lord Meta-Crisis

When you encounter Human-Time Lord Meta-Crisis, each player chooses one or two creatures they control. Each player creates a token that's a copy of the first creature they chose, except it isn't legendary. Then each player who chose a second creature puts a number of +1/+1 counters on the token they created equal to the power of the second creature they chose. (Then planeswalk away from this phenomenon.)

Ignite the Cloneforge!

When you set this scheme in motion, create a token that's a copy of target permanent an opponent controls.

The Pyramid of Mars

When you planeswalk to The Pyramid of Mars and at beginning of your upkeep, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Whenever chaos ensues, return target creature card from your graveyard to the battlefield.

Plots That Span Centuries

When you set this scheme in motion, the next time you would set a scheme in motion, set three schemes in motion instead.

The Wilds

When you planeswalk to The Wilds and at the beginning of your upkeep, create a Food token.
Whenever chaos ensues, target player sacrifices a creature of their choice. If they do, you create a Food token. You create two Food tokens instead if the sacrificed creature's toughness was 4 or greater.

The Doctor's Childhood Barn

Creatures enter tapped.
Whenever chaos ensues, for each opponent, choose up to one target nonland permanent that opponent controls. Untap those permanents. They phase out. They can't phase in for as long as The Doctor's Childhood Barn remains face up. When a player planeswalks, those permanents phase in.

There Is No Refuge

When you set this scheme in motion, it deals 3 damage to up to one target creature. Create a 3/3 black Horror creature token.

Spatial Merging

When you encounter Spatial Merging, reveal cards from the top of your planar deck until you reveal two plane cards. Simultaneously planeswalk to both of them. Put all other cards revealed this way on the bottom of your planar deck in any order.

Eloren Wilds

Whenever a player taps a permanent for mana, that player adds one mana of any type that permanent produced.
Whenever chaos ensues, target player can't cast spells until a player planeswalks.

Nature Demands an Offering

When you set this scheme in motion, target opponent chooses a creature you don't control and puts it on top of its owner's library, then repeats this process for an artifact, an enchantment, and a land. Then the owner of each permanent chosen this way shuffles.

Horizon Boughs

All permanents untap during each player's untap step.
Whenever chaos ensues, you may search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

Stensia

Whenever a creature deals damage to one or more players for the first time each turn, put a +1/+1 counter on it.
Whenever chaos ensues, each creature you control gains "{T}: This creature deals 1 damage to target player or planeswalker" until end of turn.

Besieged Viking Village

All creatures have "Boast — {1}: Put a +1/+1 counter on this creature." (Activate only if that creature attacked this turn and only once each turn.)
Whenever chaos ensues, put an indestructible counter on target creature you control that attacked this turn.

The Fate of the Flammable

When you set this scheme in motion, target opponent chooses self or others. If that player chooses self, this scheme deals 6 damage to that player. If the player chooses others, this scheme deals 3 damage to each of your other opponents.

Astral Arena

No more than one creature can attack each combat.
No more than one creature can block each combat.
Whenever chaos ensues, Astral Arena deals 2 damage to each creature.

Oracle

{0}: Untap target attacking creature you control and remove it from combat.

Onakke Catacomb

All creatures are black and have deathtouch.
Whenever chaos ensues, creatures you control get +1/+0 and gain first strike until end of turn.

Valor's Reach

Whenever your team attacks with exactly two creatures, those creatures gain double strike until end of turn.
Whenever chaos ensues, untap up to two target creatures your team controls. If it's a main phase, there is an additional combat phase after this phase, followed by an additional main phase.

Glen Elendra

At end of combat, you may exchange control of target creature you control that dealt combat damage to a player this combat and target creature that player controls.
Whenever chaos ensues, gain control of target creature you own.

Stronghold Furnace

If a source would deal damage to a permanent or player, it deals double that damage instead.
Whenever chaos ensues, Stronghold Furnace deals 1 damage to any target.

Riptide Island

When you planeswalk to Riptide Island and at the beginning of your upkeep, create two 1/1 colorless Sliver creature tokens.
Whenever chaos ensues, Slivers you control gain haste and get +X/+X until end of turn, where X is the number of Slivers you control.

UNIT Headquarters

When you planeswalk to UNIT Headquarters and at the beginning of your upkeep, create a tapped 1/1 white Soldier creature token.
Whenever chaos ensues, put a +1/+1 counter on each creature you control.

Lyna

Creatures you control have shadow. (They can block and be blocked only by creatures with shadow.)

Know Naught but Fire

When you set this scheme in motion, it deals damage to each opponent equal to the number of cards in that player's hand.

Bounty: The Outsider

At the beginning of your end step, if you cast a spell from anywhere other than your hand this turn, collect your reward.

Bounty: The Outsider // Wanted!

Gardens of Tranquil Repose

Suspended Animation — Whenever a creature dies, exile it. Its controller scries 1.
Whenever chaos ensues, create X 3/3 black Dalek artifact creature tokens with menace, where X is one plus the number of cards exiled with Gardens of Tranquil Repose.

Megaflora Jungle

Each creature with mana value 2 or less gets +2/+2.
Whenever chaos ensues, create a 1/1 green Insect creature token with flying named Butterfly.

Lake Silencio

Still Point in Time — All spells have split second. (As long as a spell with split second is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Whenever chaos ensues, Lake Silencio deals 6 damage to target creature an opponent controls. If a creature dealt damage this way would die this turn, exile it instead.

Bounty: Miron Tillas Jr.

At the beginning of your end step, if the nearest opponent to your left as the turn began was dealt combat damage this turn, collect your reward.

Bounty: Miron Tillas Jr. // Wanted!

Grove of the Dreampods

When you planeswalk to Grove of the Dreampods and at the beginning of your upkeep, reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.
Whenever chaos ensues, return target creature card from your graveyard to the battlefield.

Bowie Base One

At the beginning of your end step, goad target creature controlled by the player to your left. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)
Whenever chaos ensues, target creature gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.)

Littjara

When you planeswalk to Littjara and at the beginning of your upkeep, create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)
Whenever chaos ensues, choose a creature type. Put a +1/+1 counter on each creature you control of that type.

Raven's Run

All creatures have wither. (They deal damage to creatures in the form of -1/-1 counters.)
Whenever chaos ensues, put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature.

Serra

Spear of the General

Equipped creature gets +2/+0 and has first strike.
Equip {2}

Caught in a Parallel Universe

When you encounter Caught in a Parallel Universe, each player chooses a creature controlled by the player to their left. Each player creates a token that's a copy of the creature they chose, except it has menace. (Then planeswalk away from this phenomenon.)

The Fourth Sphere

At the beginning of your upkeep, sacrifice a nonblack creature.
Whenever chaos ensues, create a 2/2 black Zombie creature token.

The Hippodrome

All creatures get -5/-0.
Whenever chaos ensues, you may destroy target creature if its power is 0 or less.

The Avenger

{3}, {T}: Target creature you control gains deathtouch until end of turn.

Titania

You may play an additional land on each of your turns.

The Philosopher

Bounty: Gorra Tash and Silas

At the beginning of your end step, if all opponents were dealt combat damage this turn, collect your reward.

Bounty: Gorra Tash and Silas // Wanted!

The Great Forest

Each creature assigns combat damage equal to its toughness rather than its power.
Whenever chaos ensues, creatures you control get +0/+2 and gain trample until end of turn.