Unknown Event

Bicycle Rack

Bicycle Rack

Plane - Amsterdam
Cards in each player's hand have cycling {2}.
Chaos: Until end of turn, creatures you control have "This creature gets +1/+1 for each card you've discarded this turn."
Clamilton Estate

Clamilton Estate

Plane - Clamhattan
If a wordy permanent entering the battlefield would cause an ability of that permanent or another wordy permanent to trigger, that ability triggers an additional time. (A permanent is wordy if it has four or more lines of rules text.)
Whenever Chaos ensues, exile cards from the top of your library until you exile a wordy nonland card, Put that card into your hand. Put each card not cast this way on the bottom of your library in a random order.
Event Horizon

Event Horizon

Plane - Blind Eternities
Nonbasic lands are Wastes.
Whenever you tap a permanent for {C}, add an additional {C}.
Whenever chaos ensues, choose one —
• Draw four cards.
• Destroy target permanent.
• You may return target creature card from your graveyard to the battlefield.
The Food Court

The Food Court

Plane - Eldraine
Artifacts are Foods in addition to their other types (They have "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
Sacrifice three Foods: Add {W}{U}{B}{R}{G}. Activate only once each turn and only during your turn.
Chaos: You become the Monarch. If you are already the Monarch, draw a card.
High Noon At Thunder Junction

High Noon At Thunder Junction

Plane - Thunder Junction
Whenever a player draws their second card each turn, any of their opponents may say "DRAW!". The first opponent to do so clashes with that player. The player that wins the clash creates two 1/1 black Assassin creature tokens. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)
Whenever Chaos ensues, draw a card.
Mad Labs

Mad Labs

Phenomenon
When you encounter this phenomenon, starting with the next player in turn order, that player chooses a permanent type. The next player chooses a number between 1 and 10. The next player chooses a keyword counter. Then reveal and resolve the following ability with those words. (don't reveal the second ability before the words have been chosen!)
Each player creates a token that's a copy of a [permanent] and puts [number] +1/+1 counters on it. If it's not a creature, it becomes a 0/0 creature in addition to its other types. It enters with [keyword] counter.
Multiversal High Council

Multiversal High Council

Plane - Universia Beyondia
Universes Beyond spells you cast cost {1} less to cast.
Each creature gets +1/+1 for each different Universe among permanents its controller controls. (Magic: The Gathering and D&D each count as a universe.)
Whenever Chaos ensues, for each universe, return up to one target card from that Universe from your graveyard to your hand.
Oteclán

Oteclán

Plane - Ixalan
When you planeswalk to Oteclán and at the beginning of your upkeep, chaos ensues.
Whenever chaos ensues, discover 3. (Exile cards from the top of your library until you exile a nonland card with that mana value or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)
Probability Flux

Probability Flux

Phenomenon
Until your next turn, if a player would roll one or more dice, instead they roll that many dice plus one and ignore one.
Royal Booster

Royal Booster

Phenomenon
When you encounter this phenomenon, open a Magic: The Gathering booster pack and shuffle it without looking at its contents. Those cards become the booster deck. You become the monarch. For the rest of the game, at the beginning of the monarch's end step, that player draws a card from the booster deck. They may spend mana of any type to cast those cards. (Then Planeswalk away from this phenomenon.)
Shrinking Plane

Shrinking Plane

Plane - Foldaria
When you planeswalk here and at the beginning of your upkeep, fold this plane in half. Draw cards equal to the number of times it's been folded. If you can't fold it, planeswalk.
Chaos: Completely unfold this plane. Each opponent discards two cards.
Stroopwafel Cafe

Stroopwafel Cafe

Plane - Amsterdam
Players may look at the top card of their library at any time and may play cards from the top of their library.
The top card of each player's library is a Food artifact. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life." Activate this ability from the top of the library.)
Chaos: You may sacrifice a Food. If you do, draw a card, gain three life and each opponent loses 3 life.
Tarnation

Tarnation

Plane - Thunder Junction
Whenever a player commits a crime, they may draw a card. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)
Whenever chaos ensues, Tarnation deals 1 damage to any target.
Windmill Farm

Windmill Farm

Plane - Amsterdam
When you planeswalk here and at the beginning of your upkeep, create a Tulip Petal artifact token that has "{T}, Sacrifice this artifact: Add one mana of any color."
Chaos: Spin this plane until the arrow lands on a permanent. If the plane rotated at least 360 degrees during the spin, create a token that's a copy of that permanent.
Asmoranomardicadaistinaculdacar's Kitchen

Asmoranomardicadaistinaculdacar's Kitchen

Plane - Hell
Whenever you planeswalk here and whenever a creature enters under your control, create a Food token.
Whenever you gain life, target opponent loses that much life.
Whenever Chaos ensues, you may sacrifice any number of artifacts or creatures. Draw that many cards and lose that much life.
Circus of the Sun

Circus of the Sun

Plane - Las Vegas
Whenever you planeswalk here or at the beginning of your upkeep, create two 1/1 red performer creature tokens with flying and haste.
Whenever one or more creatures you control with flying deal combat damage to a player, you may return it to your hand. If you do, draw cards equal to its power.
Whenever Chaos ensues, put a flying counter on up to one target creature. It becomes a Performer in addition to its other types.
Elvish Impersonation Contest

Elvish Impersonation Contest

Plane - Las Vegas
Whenever you planeswalk here and at the beginning of your upkeep, create an Elvish Impersonators token. (It's a {3}{G} Elf creature with "As this creature enters, roll a six-sided die twice. Its base power becomes the first result and its base toughness becomes the second result.")
Thank you very much—Whenever Chaos ensues, target Elvish Impersonators becomes a 6/6. Its controller creates a Treasure token.
High and Dry Black Market

High and Dry Black Market

Phenomenon
Whenever you planeswalk here, starting with you, each player chooses up to 5 ♦ worth of modes and may choose the same mode more than once. (Then Planeswalk away from this phenomenon.)
♦ — Create a Treasure Token.
♦ ♦ — Draw a card.
♦ ♦ ♦ — Create a 3/2 colorless Shapeshifter creature token with Changeling.
Jalira's Show

Jalira's Show

Plane - Las Vegas
Whenever you attack, create a 1/1 red Performer creature token with flying.
Whenever you planeswalk here or chaos ensues, destroy up to one target creature. When you do, its controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield, then puts the rest on the bottom of their library in a random order.
Mojave Desert

Mojave Desert

Plane - Las Vegas
Whenever you planeswalk here, each player searches their library for up to two basic land or Desert cards and puts them onto the battlefield tapped, then shuffles their library. If a Desert entered the battlefield under a player's control this way, they create a 1/1 black Snake creature token with deathtouch.
Whenever Chaos ensues, create X 1/1 black Snake creature token with deathtouch, where X is 1 plus the number of nonbasic land types among lands that player controls.
No Way Out (Playtest)

No Way Out (Playtest)

Plane - Duskmourn
No Way Out enters with three dread counters.
You can never leave — If a player would planeswalk while this plane has dread counters, chaos ensues instead.
Whenever you roll the planar die, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)
Whenever Chaos ensures each player may turn a face-down permanent they control face-up. Remove a dread counter from this plane.
Omenpath Instability

Omenpath Instability

Phenomenon
When you encounter this phenomenon, each player creates an Entropy enchantment token with "Sacrifice this enchantment: Chaos ensues. Activate only as a sorcery" and an Omenpath enchantment token with "Sacrifice this enchantment: Planeswalk. Activate only as a sorcery." (Then Planeswalk away from this phenomenon.)
Preston's Stage

Preston's Stage

Plane - Las Vegas
Whenever a player performs a magic trick, they create a Hat token. (You perform a magic trick when you cast an instant or spell with flash, or turn a face-down creature face-up. Hat tokens are artifact tokens with "{1}, {T}, Sacrifice this artifact: Create a 1/1 white Rabbit creature token.")
Whenever Chaos ensues, until your next turn, creature cards in your hand have flash.
Pursued by Something

Pursued by Something

Plane - Duskmourn
At the beginning of your second main phase, if you control a tapped creature, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)
Whenever Chaos ensues, exile target creature. If it's an instant or sorcery, cast it without paying its mana cost. Otherwise put it onto the battlefield under its owner's control.
Raiders' Allegiance

Raiders' Allegiance

Plane - Ixalan
Raid — At the beginning of your second main phase, for each player dealt combat damage this turn, you get a point counter and create a 2/2 black Pirate creature token with menace.
Whenever you planeswalk away from here, each player with the most point counters or tied for the most point counters creates three Treasure tokens and draws three cards. Then remove all point counters from each player.
Whenever Chaos ensues, proliferate for each Pirate you control.