Mox Opal

Quicksilver Lapidary

Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.

Thopter

Retrofitter Foundry

Servo

Construct

{3}: Untap this artifact.
{2}, {T}: Create a 1/1 colorless Servo artifact creature token.
{1}, {T}, Sacrifice a Servo: Create a 1/1 colorless Thopter artifact creature token with flying.
{T}, Sacrifice a Thopter: Create a 4/4 colorless Construct artifact creature token.

Springleaf Drum

{T}, Tap an untapped creature you control: Add one mana of any color.

Brutal Cathar // Moonrage Brute

Day // Night

Brutal Cathar

Whenever this creature enters or transforms into Brutal Cathar, exile target creature an opponent controls until this creature leaves the battlefield.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Moonrage Brute

First strike
Ward—Pay 3 life.
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Esper Sentinel

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is this creature's power.

Ethersworn Canonist

Each player who has cast a nonartifact spell this turn can't cast additional nonartifact spells.

A-Haywire Mite

Haywire Mite

When this creature dies, you gain 2 life.
{G}, Sacrifice this creature: Exile target noncreature artifact or noncreature enchantment.

Ornithopter

Undercity // The Initiative

Seasoned Dungeoneer

When this creature enters, you take the initiative.
Whenever you attack, target attacking Cleric, Rogue, Warrior, or Wizard gains protection from creatures until end of turn. It explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)

Urza, Chief Artificer

Affinity for artifact creatures (This spell costs {1} less to cast for each artifact creature you control.)
Artifact creatures you control have menace.
At the beginning of your end step, create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."

Winota, Joiner of Forces

A-Winota, Joiner of Forces

Whenever a non-Human creature you control attacks, look at the top six cards of your library. You may put a Human creature card from among them onto the battlefield tapped and attacking. It gains indestructible until end of turn. Put the rest of the cards on the bottom of your library in a random order.

Shilgengar's famine once starved Stensia into embracing vampirism. The Dawnhart Coven would not let the same happen to Kessig.

Witch Enchanter

When this creature enters, destroy target artifact or enchantment an opponent controls.

"Ghrin-Danu will not let her people go hungry."
—Katilda, Dawnhart Prime

Witch-Blessed Meadow

As this land enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {W}.

Witch Enchanter // Witch-Blessed Meadow

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Ancient Tomb

{T}: Add {C}{C}. This land deals 2 damage to you.

Cavern of Souls

As this land enters, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Flooded Strand

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

Karakas

{T}: Add {W}.
{T}: Return target legendary creature to its owner's hand.

Plains

Tundra

Urza's Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — This Saga gains "{T}: Add {C}."
II — This Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This token gets +1/+1 for each artifact you control.'"
III — Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

Disruptor Flute

Flash
As this artifact enters, choose a card name.
Spells with the chosen name cost {3} more to cast.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Faerie Macabre

Flying
Discard this card: Exile up to two target cards from graveyards.

Flusterstorm

Counter target instant or sorcery spell unless its controller pays {1}.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Lavinia, Azorius Renegade

Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls.
Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.

Magus of the Moon

March of Otherworldly Light

As an additional cost to cast this spell, you may exile any number of white cards from your hand. This spell costs {2} less to cast for each card exiled this way.
Exile target artifact, creature, or enchantment with mana value X or less.

Pithing Needle

As this artifact enters, choose a card name.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Rest in Peace

When this enchantment enters, exile all graveyards.
If a card or token would be put into a graveyard from anywhere, exile it instead.

Torpor Orb

Creatures entering don't cause abilities to trigger.

Manasources	Probability
1	99.47%
2	94.86%
3	78.81%
4	50.00%
5	21.19%
6	5.14%
7	0.53%

Color Pip	Probability
	91.66%
	80.94%
	77.76%
	65.36%
	65.36%
	65.36%

Mono White Initiative

Artifacts (12)

Creatures (25)

Instants (4)

Lands (19)

Sideboard (15)

Probability of drawing any mana sources in your first 7 cards

Probability of drawing a mana source of a specific color pip in your first 7 cards

Mana Cost Distribution

Mana Density