Bottomless Vault

Hidden Necropolis

Land — Cave

Hidden Necropolis enters the battlefield tapped.
: Add .
, , Sacrifice Hidden Necropolis: 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.)

The Dross Pits

Land — Sphere

The Dross Pits enters the battlefield tapped.
: Add .
, , Sacrifice The Dross Pits: Draw a card.

Takenuma, Abandoned Mire

Legendary Land

: Add .
Channel — , Discard Takenuma, Abandoned Mire: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs less to activate for each legendary creature you control.

Swamp

Basic Land — Swamp

(: Add .)

Tarrian's Journal // The Tomb of Aclazotz

Legendary Artifact // Legendary Land — Cave

, Sacrifice another artifact or creature: Draw a card. Activate only as a sorcery.
, , Discard your hand: Transform Tarrian's Journal.

The Tomb of Aclazotz

(Transforms from Tarrian's Journal.)
: Add .
: You may cast a creature spell from your graveyard this turn. If you do, it enters the battlefield with a finality counter on it and is a Vampire in addition to its other types. (If a creature with a finality counter on it would die, exile it instead.)

Grasping Shadows // Shadows' Lair

Enchantment // Land — Cave

Whenever a creature you control attacks alone, it gains deathtouch and lifelink until end of turn. Put a dread counter on Grasping Shadows. Then if there are three or more dread counters on it, transform it.

Shadows' Lair

(Transforms from Grasping Shadows.)
: Add .
, , Remove a dread counter from Shadows' Lair: You draw a card and you lose 1 life.

Aclazotz, Deepest Betrayal // Temple of the Dead

Legendary Creature — Bat God // Land (4/4)

Flying, lifelink
Whenever Aclazotz attacks, each opponent discards a card. For each opponent who can't, you draw a card.
Whenever an opponent discards a land card, create a 1/1 black Bat creature token with flying.
When Aclazotz dies, return it to the battlefield tapped and transformed under its owner's control.

Temple of the Dead

(Transforms from Aclazotz, Deepest Betrayal.)
: Add .
, : Transform Temple of the Dead. Activate only if a player has one or fewer cards in hand and only as a sorcery.

Life of Toshiro Umezawa // Memory of Toshiro

Enchantment — Saga // Enchantment Creature — Human Samurai (0/0)

(As this Saga enters and after your draw step, add a lore counter.)
I, II — Choose one —
• Target creature gets +2/+2 until end of turn.
• Target creature gets -1/-1 until end of turn.
• You gain 2 life.
III — Exile this Saga, then return it to the battlefield transformed under your control.

Memory of Toshiro

, Pay 1 life: Add . Spend this mana only to cast an instant or sorcery spell.

Transmogrant Altar

Artifact

, , Sacrifice a creature: Add .
, , Sacrifice a creature: Create a 3/3 colorless Zombie artifact creature token. Activate only as a sorcery.

Lord of the Forsaken

Creature — Demon (6/6)

Flying, trample
, Sacrifice another creature: Target player mills three cards.
Pay 1 life: Add . Spend this mana only to cast a spell from your graveyard.

Swamp // Swamp

(: Add .)

Swamp

(: Add .)

Fortified Beachhead

Land

As Fortified Beachhead enters the battlefield, you may reveal a Soldier card from your hand. Fortified Beachhead enters the battlefield tapped unless you revealed a Soldier card this way or you control a Soldier.
: Add or .
, : Soldiers you control get +1/+1 until end of turn.

Hostile Hostel // Creeping Inn

Land // Artifact Creature — Horror Construct (0/0)

: Add .
, , Sacrifice a creature: Put a soul counter on Hostile Hostel. Then if there are three or more soul counters on it, remove those counters, transform it, then untap it. Activate only as a sorcery.

Creeping Inn

Whenever Creeping Inn attacks, you may exile a creature card from your graveyard. If you do, each opponent loses X life and you gain X life, where X is the number of creature cards exiled with Creeping Inn.
: Creeping Inn phases out.

Tarnation Vista

Land

Tarnation Vista enters the battlefield tapped. As it enters, choose a color.
: Add one mana of the chosen color.
, : For each color among monocolored permanents you control, add one mana of that color.

Arid Archway

Land — Desert

Arid Archway enters the battlefield tapped.
When Arid Archway enters the battlefield, return a land you control to its owner's hand. If another Desert was returned this way, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
: Add .

Edgewall Inn

Land

Edgewall Inn enters the battlefield tapped.
As Edgewall Inn enters the battlefield, choose a color.
: Add one mana of the chosen color.
, , Sacrifice Edgewall Inn: Return target card that has an Adventure from your graveyard to your hand.

Pit of Offerings

Land — Cave

Pit of Offerings enters the battlefield tapped.
When Pit of Offerings enters the battlefield, exile up to three target cards from graveyards.
: Add .
: Add one mana of any of the exiled cards' colors.

Hidden Cataract

Land — Cave

Hidden Cataract enters the battlefield tapped.
: Add .
, , Sacrifice Hidden Cataract: 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.)

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.)

Hidden Nursery

Land — Cave

Hidden Nursery enters the battlefield tapped.
: Add .
, , Sacrifice Hidden Nursery: 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.)