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.

City of Traitors

When you play another land, sacrifice this land.
{T}: Add {C}{C}.

Forest

Gilt-Leaf Alchemist

Mountain

Plains

Anointed Peacekeeper

Vigilance
As this creature enters, look at an opponent's hand, then choose any card name.
Spells your opponents cast with the chosen name cost {2} more to cast.
Activated abilities of sources with the chosen name cost {2} more to activate unless they're mana abilities.

Undercity // The Initiative

Bloodboil Sorcerer

When this creature enters, you take the initiative.
Crown of Madness — {1}{R}, Sacrifice an artifact or creature: Goad target creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Caves of Chaos Adventurer

Trample
When this creature enters, you take the initiative.
Whenever this creature attacks, exile the top card of your library. If you've completed a dungeon, you may play that card this turn without paying its mana cost. Otherwise, you may play that card this turn.

Elite Spellbinder

Flying
When this creature enters, look at target opponent's hand. You may exile a nonland card from it. For as long as that card remains exiled, its owner may play it. A spell cast this way costs {2} more to cast.

Elvish Spirit Guide

Exile this creature from your hand: Add {G}.

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.)

Simian Spirit Guide

Solitude

Flash
Lifelink
When this creature enters, exile up to one other target creature. That creature's controller gains life equal to its power.
Evoke—Exile a white card from your hand.

Undermountain Adventurer

Vigilance
When this creature enters, you take the initiative.
{T}: Add {G}{G}. If you've completed a dungeon, add six {G} instead.

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

Once Upon a Time

If this spell is the first spell you've cast this game, you may cast it without paying its mana cost.
Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Lotus Petal

{T}, Sacrifice this artifact: Add one mana of any color.

Archon of Emeria

Flying
Each player can't cast more than one spell each turn.
Nonbasic lands your opponents control enter tapped.

Clarion Conqueror

Flying
Activated abilities of artifacts, creatures, and planeswalkers can't be activated.

Containment Priest

Flash
If a nontoken creature would enter and it wasn't cast, exile it instead.

Manasources	Probability
1	99.13%
2	92.56%
3	72.85%
4	42.35%
5	16.05%
6	3.43%
7	0.31%

Color Pip	Probability
	83.72%
	83.72%
	80.94%
	74.14%
	65.36%
	65.36%

Naya Initiative

Lands (15)

Creatures (37)

Instants (4)

Artifacts (4)

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