Under-Construction Skyscraper

Level up {1} ({1}: Put a level counter on this. Level up only as a sorcery.)
{T}: Add {C}.
LEVEL 1-7
{T}: Add {W}, {B}, {G}, or {C}.
LEVEL 8+
{T}: Add {W}, {B}, {G}, or {C}. Scry 1.

Processing Plant

Processing Plant enters the battlefield tapped.
When Processing Plant enters the battlefield, you may put a card an opponent owns from exile into that player's graveyard. If you do, untap Processing Plant. Otherwise, exile the top card of each opponent's library.
{T}: Add {W}, {U}, {B}, or {C}.

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.)

Yavimaya Coast

{T}: Add {C}.
{T}: Add {G} or {U}. This land deals 1 damage to you.

Plains

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"

Command Tower

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

Dairy Cow

Grazing type (This creature enters the battlefield with five milk counters on it for each Forest and/or Plant you control.)

Knight of Lost Causes

Vigilance
As long as you are way behind, Knight of Lost Causes gets +3/+3 and has indestructible. (You are way behind if, at any point during this turn, an opponent had 10 or more life than you, controlled at least three more creatures than you, or had at least three more cards in hand than you.)

Forest

Indicate

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...

Catch of the Day

As Catch of the Day enters the battlefield, choose one for each of the following.
Keyword → Vigilance; ward {3}; or islandwalk.
Whenever this creature attacks → Scry 2; goad target creature an opponent controls; or tap target creature an opponent controls.
Size → 6/2; 4/4; or 2/6.

R&D's Secret Lair

Play cards as written. Ignore all errata.
{T}: Add {C}. (This mana is still added to your mana pool.)

Phyrexian Seedling

Phyrexian Seedling enters the battlefield with a +1/+1 counter on it.
Proliferatelink (Damage dealt by this creature also causes you to proliferate that many times. You proliferate before checking for lethal damage on creatures.)

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.

Counterspell

Snow-Covered Wastes

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

Lantern of Undersight

You draw cards from the bottom of your library instead of the top of your library.

Lazotep Archway

Lazotep Archway enters the battlefield tapped.
{T}: Add {W} or {B}.
Eternalize {3}{W}{B} ({3}{W}{B}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie creature and loses all other card types. Eternalize only as a sorcery. And don't forget it still enters tapped!)

Mountain

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."

Narod, the Beige Flower

Each creature assigns combat damage equal to its mana value rather than its power.

Anax and Cymede & Kynaios and Tiro

First strike, vigilance
Heroic — Whenever you cast a spell that targets Anax and Cymede & Kynaios and Tiro, draw a card. Each player may put a land card from their hand onto the battlefield, then each opponent who didn't draws a card.

Barry's Land

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.)

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.

Llanowar Wastes

{T}: Add {C}.
{T}: Add {B} or {G}. This land deals 1 damage to you.

Mana Tithe

Counter target spell unless its controller pays {1}.

Built Bear

Legacy (During deckbuilding, circle any number of the following. You can spend 1 point for free. For every 2 points spent beyond that, increase this card's mana cost by {1}.)
1 point each → Flash; deathtouch; reach; vigilance; or ward {2}
2 points → {T}: Add one mana of any color.
3 points each → +1/+1; or +0/+2
4 points → When this creature enters the battlefield, draw a card.

The Many Deeds of Belzenlok

I — Exile up to one target Saga card from a graveyard. Copy its chapter I ability.
II — Exile up to one target Saga card from a graveyard. Copy its chapter II ability.
III — Exile up to one target Saga card from a graveyard. Copy its chapter III ability.

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.

Swamp

Wisedrafter's Will

Your opponents play with their hands revealed.
{U}, Sacrifice Wisedrafter's Will: Draw a card.
{U}{U}, Sacrifice Wisedrafter's Will: Counter target spell.

Avacyn's Collar, the Symbol of Her Church

Equipped creature can't attack, block, or transform, and its activated abilities can't be activated.
Shackle {3} ({3}: Attach to target creature you don't control. Shackle only as a sorcery.)

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.

New Master of Arms

First strike
Prevent all combat damage that would be dealt by blocking creatures that are tapped.
{1}{W}: Tap target creature blocking New Master of Arms.

Flavor Disaster

Reach
When Flavor Disaster enters the battlefield or when it's turned face up, target creature gets +X/+X until end of turn, where X is Flavor Disaster's power.
Negamorph {1}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its negamorph cost and put a -1/-1 counter on it.)

Magus of the Chains

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.

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.

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.

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}.

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.)

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.)

Search Elemental

Whenever you search your library, scry 1.
Scryfall — Whenever you scry, put a +1/+1 counter on Search Elemental. It can't be blocked this turn.

Island

The Grand Tour

Exile target permanent, then put it into its owner's hand. That player discards that card, then puts it on top of their library. Then they put it onto the battlefield.

Banding Sliver

All Slivers have banding. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Sol Ring

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.)

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.")

Slivdrazi Monstrosity

Eldrazi you control are Slivers in addition to their other types.
Slivers you control have devoid and annihilator 1.
{3}: Create a 1/1 colorless Eldrazi Sliver creature token. It has "Sacrifice this creature: Add {C}."

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

Sliver of Hope

Slivers you control have hope. (Prevent all damage that would be dealt to attacking creatures with hope.)

Lightning Colt

When Lightning Colt enters, it deals 3 damage to any target.

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.)

Jeskai Baller

When you cast this spell, create a 1/1 white Athlete creature token.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Mana Abundance

If a player would add mana, instead all players add that mana.

Logic Knot

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Counter target spell unless its controller pays {X}.

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."

Subgoyf

Subgoyf's power and toughness are each equal to the number of different subtypes other than creature types among cards in all graveyards and its toughness is equal to that number plus 1. (Subtypes include but are absolutely not limited to: Plains, Equipment, Aura, Arcane, Jace, Curse, Urza's, Ulamog's, etc.)

How to Keep an Izzet Mage Busy

Return How to Keep an Izzet Mage Busy to its owner's hand.

Aggressive Crag

At the beginning of your combat step, tap Aggressive Crag.
{T}: Add {R} or {W}.

Transcantation

Target instant or sorcery spell becomes a copy of Lightning Bolt. Its controller may choose new targets for it.

Noble Ox

Flash
When Noble Ox enters the battlefield, all unblocked creatures attacking you become blocked by Noble Ox.
Noble Ox can block any number of creatures.

Defender of the Queue

Positioning (As this creature enters, lock your creatures in order from left to right for as long as you control a creature with positioning. Each time a creature enters or comes under your control, position it to the left or right of another creature you control.)
Adjacent creatures to the left and right of Defender of the Queue get +1/+1 and have vigilance.

Yawgmoth's Day Planner

{T}, Pay 2 life: Add {B}{B}.
You may cast spells from your graveyard. Only mana produced by abilities that caused you to lose life may be spent to cast spells this way. (Damage causes loss of life.)
If a card would be put into your graveyard from anywhere, exile it instead.

Omnipresent Impostor

Changeling
Omnipresent Impostor has all card names.
As you search your library for one or more cards, you may choose Omnipresent Impostor as one of those cards. (For example, if you search for two land cards, you may find Omnipresent Impostor and a land card.)

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.)

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.)

Pinchy McStingbutt

Deathtouch
Whenever Pinchy McStingbutt deals combat damage to a player, conjure a card named Death of a Thousand Stings, Lethal Sting, or Stinging Shot at random into your hand and reveal it. (Treat conjured cards like cards.)

Pokey, the Scallywagg

Menace
If you would flip a coin, you may instead roll a d20. 1−10 is tails and 11−20 is heads. (It counts as rolling a die, not flipping a coin.)
If you would roll a d20, you may instead flip a coin. Tails is 1 and heads is 20. (It counts as flipping a coin, not rolling a die.)

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.)

Escape Tunnel

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{T}, Sacrifice this land: Target creature with power 2 or less can't be blocked this turn.

Toofer, Keeper of the Full Grip

Whenever a spell you control causes you to gain card advantage, each opponent loses 2 life. (You gain card advantage each time a spell you control resolves and you end up having more cards relative to your opponents than before that spell resolved. Divination, Annihilate, and Wrath of God can all be card advantage. And remember: tokens aren't cards!)

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.

Fetching Garden

({T}: Add {G} or {W}.)
Fetching Garden enters the battlefield tapped if it was played from your hand.

Negate

Lifening Elemental

Lifelink
Splice onto instant or sorcery {1}{B} (As you cast an instant or sorcery spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's abilities to that spell. It's still an instant or sorcery spell.)