Flagstones of Trokair

Hidden Courtyard

Land — Cave

Hidden Courtyard enters the battlefield tapped.
: Add .
, , Sacrifice Hidden Courtyard: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 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.)

Eiganjo, Seat of the Empire

Legendary Land

: Add .
Channel — , Discard Eiganjo, Seat of the Empire: It deals 4 damage to target attacking or blocking creature. This ability costs less to activate for each legendary creature you control.

The Fair Basilica

Land — Sphere

The Fair Basilica enters the battlefield tapped.
: Add .
, , Sacrifice The Fair Basilica: Draw a card.

Plains

Basic Land — Plains

(: Add .)

Ojer Taq, Deepest Foundation // Temple of Civilization

Legendary Creature — God // Land (6/6)

Vigilance
If one or more creature tokens would be created under your control, three times that many of those tokens are created instead.
When Ojer Taq dies, return it to the battlefield tapped and transformed under its owner's control.

Temple of Civilization

(Transforms from Ojer Taq, Deepest Foundation.)
: Add .
, : Transform Temple of Civilization. Activate only if you attacked with three or more creatures this turn and only as a sorcery.

Thousand Moons Smithy // Barracks of the Thousand

Legendary Artifact // Legendary Artifact Land

When Thousand Moons Smithy enters the battlefield, create a white Gnome Soldier artifact creature token with "This creature's power and toughness are each equal to the number of artifacts and/or creatures you control."
At the beginning of your precombat main phase, you may tap five untapped artifacts and/or creatures you control. If you do, transform Thousand Moons Smithy.

Barracks of the Thousand

(Transforms from Thousand Moons Smithy.)
: Add .
Whenever you cast an artifact or creature spell using mana produced by Barracks of the Thousand, create a white Gnome Soldier artifact creature token with "This creature's power and toughness are each equal to the number of artifacts and/or creatures you control."

Fabrication Foundry

Artifact

: Add . Spend this mana only to cast an artifact spell or activate an ability of an artifact source.
, , Exile one or more other artifacts you control with total mana value X: Return target artifact card with mana value X or less from your graveyard to the battlefield. Activate only as a sorcery.

Giada, Font of Hope

Legendary Creature — Angel (2/2)

Flying, vigilance
Each other Angel you control enters the battlefield with an additional +1/+1 counter on it for each Angel you already control.
: Add . Spend this mana only to cast an Angel spell.

Plains // Plains

(: Add .)

Plains

(: Add .)

Brokers Hideout

Land

When Brokers Hideout enters the battlefield, sacrifice it. When you do, search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Obscura Storefront

Land

When Obscura Storefront enters the battlefield, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Cabaretti Courtyard

Land

When Cabaretti Courtyard enters the battlefield, sacrifice it. When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Maestros Theater

Land

When Maestros Theater enters the battlefield, sacrifice it. When you do, search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Promising Vein

Land — Cave

: Add .
, , Sacrifice Promising Vein: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Riveteers Overlook

Land

When Riveteers Overlook enters the battlefield, sacrifice it. When you do, search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Escape Tunnel

Land

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

Demolition Field

Land

: Add .
, , Sacrifice Demolition Field: Destroy target nonbasic land an opponent controls. That land's controller may search their library for a basic land card, put it onto the battlefield, then shuffle. You may search your library for a basic land card, put it onto the battlefield, then shuffle.

Evolving Wilds

Land

, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Terramorphic Expanse

Land

, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Boseiju, Who Endures

Legendary Land

: Add .
Channel — , Discard Boseiju, Who Endures: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs less to activate for each legendary creature you control.