Have

Maestros' Totally Safe Hideout

Land casualty 2 (As this land enters, you may sacrifice a creature with power 2 or greater. If you do, create a token that's a copy of this land.)
Maestros' Totally Safe Hideout enters the battlefield tapped.
{T}: Add {U}, {B}, or {R}.

Omenpath to Naya

Vanishing 4 (This land enters the battlefield with four time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
{T}: Add {R}, {G}, or {W}.

Do-Over

Restart the turn, except with Do-Over in exile. (First, return all cards to where they were as the turn began. For information from hidden zones like the hand, reconstruct as best you can, and do the rest at random.)

Blurry Visionary

When Blurry Visionary enters the battlefield, look at the top two cards of your library and put them back-to-back in the same sleeve with either card in front. They become a modal double-faced card for the rest of the game. Then put that card into your hand. (You can play either face of that double-faced card. Make sure to reset it when the game ends.)

Starting Town NPC

Each creature card in your hand has a {1}{G} Adventure sorcery named Fetch Herbs with "You gain 2 life." (You may cast it as the Adventure for {1}{G}. Then exile it, and you may cast the creature later from exile.)
Each creature card you cast from exile enters the battlefield with an additional +1/+1 counter on it.

Forest

No-Regrets Egret

Flying
Any time you could mulligan and No-Regrets Egret is in your hand, you may reveal No-Regrets Egret. If you do, look at the top two cards of your library. (Put those cards back in the same order. You can still mulligan.)

A Girl and Her Dogs

When A Girl and Her Dogs enters the battlefield and at the beginning of your upkeep, create a 1/1 white legendary Dog creature token and name it.
Whenever A Girl and Her Dogs attacks, it gets +1/+1 until end of turn for each legendary creature you control.

Plains

Mothers Yamazaki

Partner with itself (When this enters, target player may put Mothers Yamazaki into their hand from their library, then shuffle. A Commander deck can include two of this card, and they can be your commanders.)
As long as you control exactly two permanents named Mothers Yamazaki, the "legend rule" doesn't apply to them, and Samurai you control get +2/+2 and have vigilance and haste.

You Compleat Me

If your life total is greater than 10, it becomes 10. For the rest of the game, your maximum life total is 10. You get an emblem with "Pay 2 life: Add one mana of any color" and "At the beginning of your upkeep, you draw a card and you lose 1 life."

Don't Worry About It

Enchant card in your hand (This Aura remains on the battlefield. If you play enchanted card or it otherwise leaves your hand, put this Aura into the graveyard.)
Enchanted card costs {1} less to cast.
When you cast enchanted card, copy it.

Essence of Ajani

(As this spell resolves, put it into the command zone.)
Whenever you cast a spell, you gain 1 life.

Questing Cosplayer

When Questing Cosplayer enters the battlefield, create a Questing Role token and attach it to target creature. (If you control another Role on it, put that one into the graveyard. Enchanted creature has all the abilities of Questing Beast.)

Immersturm Battlefield

Hosted creatures get +2/+0 and have haste.
Host {1}{R} ({1}{R}: Host target creature at this Realm. A Realm can host any number of creatures. Host only as a sorcery.)

Creepy Crawler

Menace, reach
Whenever Creepy Crawler deals combat damage to a player who is afraid of you, that player discards a card and you draw a card. (An opponent is afraid of you if a Horror, Nightmare, enchantment, or face-down creature you control entered the battlefield or attacked them this turn.)

Coronation of the Wilds

Target creature you control becomes a legendary Noble in addition to its other types and gains "{T}: Add one mana of any color."
Draw a card.

Keeper of the Crown

({L} can be paid with one mana from a legendary source.)
Other legendary creatures you control get +1/+1 and have indestructible.

Keeper of the Crown // Coronation of the Wilds

Frontier Bivouac

This land enters tapped.
{T}: Add {G}, {U}, or {R}.

Garth One-Eye

{T}: Choose a card name that hasn't been chosen from among Disenchant, Braingeyser, Terror, Shivan Dragon, Regrowth, and Black Lotus. Create a copy of the card with the chosen name. You may cast the copy. (You still pay its costs.)

Lich's Duel Mastery

Hexproof
When Lich's Duel Mastery enters the battlefield, exile the top five cards of your library face down as shields.
If you would lose life, instead put one of your shields into your hand. If you can't, sacrifice Lich's Duel Mastery.
When Lich's Duel Mastery leaves the battlefield, you lose the game.

Fludge, Gunk Guardian

Whenever Fludge, Gunk Guardian or another Slug, Ooze, Fungus, or Mutant enters the battlefield under your control, each opponent shuffles three Gunk cards into their library. (Gunk is a colorless sorcery card with no mana cost that has cycling {4}.)

Take a Trip to...

Draw two cards. This spell deals 2 damage to each opponent. (Then exile this card. You may play the land later from exile.)

Value Town

Value Town enters the battlefield tapped.
{T}: Add {U} or {R}.

Value Town // Take a Trip to...

Naturalize 2

Destroy target artifact, enchantment, emblem, or gameplay tracker. (Trackers include play aids such as dungeons, city's blessing, and monarch. When you destroy it, the associated object or designation is removed from the game.)

Kozilek, Compleated

({C/P} can be paid with either {C} or 2 life.)
When you cast this spell, each opponent gets two poison counters, then each opponent with more than two cards in hand discards cards equal to the difference.
Annihinfect (Whenever this creature attacks, defending player sacrifices a permanent for each poison counter they have.)

Who's That Praetor?

Choose one at random. Create a token that's a copy of the chosen card.
• Elesh Norn, Mother of Machines
• Jin-Gitaxias, Progress Tyrant
• Sheoldred, the Apocalypse
• Urabrask, Heretic Praetor
• Vorinclex, Monstrous Raider
• Ebon Praetor

Dwarven Confluencer

{T}: Destroy target nontoken land. Its controller creates a Mana Confluence token. (It's a land with "{T}, Pay 1 life: Add one mana of any color.")

Chea, Friend to Maybe Too Many

Familiar spells you cast have flash. (Bats, Birds, Cats, Dragons, Faeries, Foxes, Frogs, Imps, Lizards, and Spiders are familiars, as well as any creature with "Familiar" in its name.)
{T}: Add X {G} and each opponent loses X life, where X is the number of familiars you control.

Fully-Grown Treefolk

(You can't cast this face unless it's been transformed by the front face.)
Fully-Grown Treefolk's power and toughness are each equal to the number of lands you control.

Plant a Sapling

Search your library for a basic land card, reveal it, put it into your hand, then shuffle this spell into its owner's library transformed. (For playtesting purposes, put it into its sleeve upside down.)

Plant a Sapling // Fully-Grown Treefolk

The World Tree

This land enters tapped.
{T}: Add {G}.
As long as you control six or more lands, lands you control have "{T}: Add one mana of any color."
{W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice this land: Search your library for any number of God cards, put them onto the battlefield, then shuffle.

Boltfire

Boltfire deals 2 damage to any target.
Flashforward {4}{R} (You may cast this card from exile for its flashforward cost. Then put it on the bottom of your library.)

Mountain

Gobland

(Gobland isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {R}.")
Gobland can't block.

Flanking Licid

{R}, {T}: Flanking Licid loses this ability and becomes a creature enchantment that reads "Enchanted creature gains flanking" instead of a creature. Move Flanking Licid onto target creature. You may pay {R} to end this effect.

Hish of the Snake Cult

Nagas and Serpents you control are Snakes. (We'll errata this to be true.)
Snakes you control have daunt, deathtouch, and poisonous 2. (A creature with daunt can't be blocked by creatures with power 2 or less. Whenever a creature with poisonous 2 deals combat damage to a player, that player gets two poison counters.)

Snap Judgment

The player who wins this game also wins the match. (A player may concede the game at any time. If the game ends while this spell is on the stack, it never resolves.)
Cycling {1}

Terramorphic Expanse

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Seaside Citadel

This land enters tapped.
{T}: Add {G}, {W}, or {U}.

Penumbra Umbra

Enchant creature you control
When Penumbra Umbra is put into a graveyard from the battlefield, create a token that's a copy of enchanted creature, except the token is black.
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Path of Ancestry

This land enters tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Cleaver Blow

Multicleave {1} (You may pay an additional {1} any number of times as you cast this spell. For each time you do, choose a paired set of square brackets and remove the words in between.)
Destroy target [nonblack] creature [with mana value 3 or less] [an opponent controls]. You [and its controller each] draw a card [and lose 2 life]. Create a [tapped] 1/1 white Spirit creature token with flying.

Duelists' Convocation International

When Duelists' Convocation International enters the battlefield, choose a 10-digit number at random and write it down.
Whenever you play a land or cast a spell, if it shares a mana value with one or more uncrossed digits in the chosen number, cross out one of those digits and draw a card. Then if all ten digits are crossed out, you win the game.

Heart of a Duelist

You may draw cards from anywhere in your library. (You don't get to look at them or reorder them while doing so.)
When Heart of a Duelist enters the battlefield, draw a card.

Opulent Palace

This land enters tapped.
{T}: Add {B}, {G}, or {U}.

Wish

You may play a card you own from outside the game this turn.

Tax Taker

Whenever an opponent pays a tax from a spell or permanent you control, create a number of Treasure tokens equal to the amount of mana they paid. (This happens each time a spell you control or an ability of a permanent you control causes an opponent to pay extra mana. Cards that can tax opponents include Mana Tithe, Esper Sentinel, and Ghostly Prison.)

Champion of the Hareish

Buddy list (As this creature enters, if any of its creature types isn't on your buddy list, write one of them on your buddy list.)
Whenever another creature enters the battlefield under your control, put a +1/+1 counter on Champion of the Hareish if one of that creature's creature types is on your buddy list. Otherwise, write one of its creature types on your buddy list.

Can't Quite Recall

Forbidden (This card can't be in your starting deck. Yes, you read that right. You need to figure out a way to get it into the game without it being in your deck.)
Target player draws three cards.

Temur Elevator

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
{T}: Add {G}, {U}, or {R}. If you don't have the city's blessing, you lose 1 life.

Control Win Condition

This spell can't be countered.
Shroud
Control Win Condition's power and toughness are each equal to the number of turns you've taken this game. (If this is in your deck, please keep track of your turns. This means you, Mark.)

Five Kids in a Trenchcoat

Five Kids in a Trenchcoat counts as five creatures for spells and effects that count the number of creatures you control.

Madlands

Madlands enters the battlefield tapped.
{T}: Add {B} or {R}.
Madness {0} (If you discard this card, discard it into exile. When you do, play it for its madness cost or put it into your graveyard. You can play a land only during your turn and only if you have an available land play remaining.)

Terry Pin, Turboturtle

Flash
Haste
You may ignore the words "Activate only as a sorcery" while activating abilities.

Abbot of the Sacred Meeple

Sinecure (This creature can occupy a space two spaces higher on the Monk Track than its power.)
Once on each of your odd-numbered (beige) production phases, you may spend two additional sheep when constructing a building. If you do, you may activate the lesser production ability of any building of prestige 5 or lower you control. Exceptions: Apiary, Cobbler (but not Shoemaker), Wainwright.

Wrenn and One

+1: Wrenn and One gains "{T}: Add {G}" until your next turn.
−1: Create a 1/1 green Squirrel creature token.
−4: You get an emblem with "At the beginning of your precombat main phase, add {G} for each creature you control."

Spellmorph Raise Dead

Return target creature card from your graveyard to your hand.
Spellmorph {B} (You may cast this card face down as a 2/2 creature for {3}. Cast it any time for its spellmorph cost.)

Marchesa's Surprise Party

(Start the game with this conspiracy face up in the command zone. Before the game, secretly choose one of the following. During your end step, if you meet the condition, you may reveal your choice and turn this card face down. When you do, collect the reward.)
• You've cast three or more spells this turn.
• An opponent lost 6 or more life this turn.
• There are nine or more cards in your graveyard.
Reward — Draw a card.

Common Black Removal

Choose one. Destroy target creature, then —
• Create a Food token.
• Create a Treasure token.
• Put a menace counter on a creature you control.
• That creature's controller mills cards equal to its power.

Zone of Flame

Enchant zone (Battlefield, command, exile, and stack are shared zones. Each player has their own graveyard, hand, and library zones.)
Whenever one or more cards enter or leave enchanted zone, Zone of Flame deals 1 damage to each opponent. (Tokens aren't cards.)

Bucket List

Whenever you cast a spell of a type showing on Bucket List, put a counter over that type and draw a card. If all five types on Bucket List have counters over them, sacrifice it and draw one more card.
☐ artifact ☐ creature ☐ enchantment ☐ instant ☐ sorcery

Frenemy of the Guildpact

Protection from enemy-colored multicolored (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything that's two enemy colors, such as blue and green.)

Orb of Origin

{2}: Add one mana of any color.
Other noncreature artifacts are mono and continuous. (Each activated ability of mono artifacts costs an additional {T} to activate if its cost doesn't already include {T}. As long as a continuous artifact is tapped, it loses all abilities.)

Intangible Vibes

All creatures are tokens. (They're considered tokens for spells and abilities. After a creature leaves the battlefield, it ceases to exist.)

Chatzuk, Mighty Guitarist

Banding (Just ask around until you find someone who knows.)
Creature spells you cast with banding cost {2} less to cast.
Whenever two or more creatures you control attack in a band, each creature in that band gets +1/+1 until end of turn for each creature in that band.

Sandsteppe Citadel

This land enters tapped.
{T}: Add {W}, {B}, or {G}.

Exotic Orchard

{T}: Add one mana of any color that a land an opponent controls could produce.

Gorilla Tactics

Create a 2/2 green Gorilla creature token.
When a spell or ability an opponent controls causes you to discard Gorilla Tactics, create two 2/2 green Gorilla creature tokens.

Indicate

Call from the Grave

Put a random creature from a random graveyard into play under your control. Call from the Grave deals to you an amount of damage equal to that creature's casting cost.

Bone Rattler

When Bone Rattler is put into your graveyard from anywhere, exile it. When you do, create four Reassembling Skeleton token cards and put them into your graveyard.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Oddric, Lunar Marquis

At the beginning of each combat, creatures you control gain banding until end of turn if a creature you control has banding. The same is true for changeling, devoid, fear, flanking, horsemanship, ingest, intimidate, landwalk, shroud, tantrum, wither, and the activated ability "Sacrifice this creature: Add {C}."

Wrath of Leknif

Destroy all creatures. They can't be regenerated. Untap up to four lands you control.

Mox Poison

{T}: Add one mana of any color. You get two poison counters.

Island

Brigid, Who's Seen Some Stuff

Vigilance
Nimble (This creature can't be blocked by creatures with power 3 or greater.)
Kithkin you control have thoughtweft. (A creature with thoughtweft has all printed keyword abilities of other creatures you control with thoughtweft.)

Evolving Wilds

Jungle Shrine

This land enters tapped.
{T}: Add {R}, {G}, or {W}.

Luxior, Ignited

Equipped creature gets +1/+1 for each counter on Luxior, Ignited.
+1: Attach this Equipment to up to one target creature you control.
−2: Equipped creature gets +2/+2 and gains double strike until end of turn.

Rule with an Even Hand

(Start the game with this conspiracy face up in the command zone.)
You can't attack with an odd number of creatures.
Whenever you attack, double target creature's power until end of turn.

Glade of the Pump Spells

(You have to pay {2}{G} to play this land as your land drop. It's green.)
When Glade of the Pump Spells enters the battlefield, up to one target creature gets +2/+2 and gains trample until end of turn.
{T}: Add {G}{G}.

Runed Terror

Instead of taking turns as normal, players take their phases sequentially. (For example, you take your beginning phase as the active player, then the next player in turn order becomes the active player and takes their beginning phase. After each player had a beginning phase, do the same for first main, combat phase, second main, ending phase, and then beginning phase again. If this creature leaves the battlefield, the active player continues their turn as normal.)

Werewhat

Daybound
As Werewhat enters the battlefield, you may exile a creature card from your graveyard or hand. If you do, that card becomes this creature's back face and that back face has nightbound. If you exiled a card from your hand this way, draw a card.

Swamp

Convention Maro

Whenever you cast a spell that [CHOICE A], create a green Elemental creature token named Maro with "This creature's power and toughness are each equal to the number of [CHOICE B]."
— As you create your deck, choose an [A] and a [B] —
• [A1] "is an Elemental" | [A2] "has a watermark or landscape orientation" | [A3] "targets a creature you control"
• [B1] "cards in your hand" | [B2] "card types among cards in your graveyard" | [B3] "artists among nonland, nontoken permanents you control"

All-You-Can-Eat Buffet

You may look at the top card of your library any time.
You may play lands and cast creature spells from the top of your library.
The top card of your library is a Food token. It's still a card. (It has "{2},{T}, Sacrifice this token: You gain 3 life.")

Geometric Weird

At the beginning of each end step, you may have Geometric Weird's base power and toughness each become equal to the greatest number of spells and abilities from different sources that were on the stack simultaneously that turn.