Cavern of Souls

As Cavern of Souls enters the battlefield, 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.

Built in honor of Alara's creatures, the ziggurat vanished long ago. When Progenitus awakened, the temple emerged again.

Ancient Ziggurat

{T}: Add one mana of any color. Spend this mana only to cast a creature spell.

Unclaimed Territory

As Unclaimed Territory enters the battlefield, 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.

Gale stared into the pool and saw a stranger. The similarities were uncanny, but it was not him.

Reflecting Pool

{T}: Add one mana of any type that a land you control could produce.

"It was a strange morning. When we awoke, we found our trees transformed. We didn't know whether to water them or polish them."
—Pulan, Bant orchardist

Exotic Orchard

{T}: Add one mana of any color that a land an opponent controls could produce.

Five rivers encircle Theros, flowing with waters more ancient than the world itself.

Mana Confluence

{T}, Pay 1 life: Add one mana of any color.

Spirit

Forbidden Orchard

{T}: Add one mana of any color.
Whenever you tap Forbidden Orchard for mana, target opponent creates a 1/1 colorless Spirit creature token.

Boseiju, Who Shelters All

Boseiju, Who Shelters All enters the battlefield tapped.
{T}, Pay 2 life: Add {C}. If that mana is spent on an instant or sorcery spell, that spell can't be countered.

After years of silence, the caves once again echo with the grisly sounds of Phyrexians preparing for war.

Caves of Koilos

{T}: Add {C}.
{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

"The sylex blast marked not only the end of the war, but the end of Dominaria as most knew it."
—*The Antiquities War*

Llanowar Wastes

{T}: Add {C}.
{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.

"The war polluted the land, turning what had once been fruitful fields into fetid morasses of mud and rusted corpses."
—*The Antiquities War*

Underground River

{T}: Add {C}.
{T}: Add {U} or {B}. Underground River deals 1 damage to you.

As magnigoth trees expanded across the sea into Almaaz and New Argive, it became clear Yavimaya's borders were never confined by its coastline.

Yavimaya Coast

{T}: Add {C}.
{T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you.

Everything is flammable in the Burning Isles, even the mana itself.

Sulfurous Springs

{T}: Add {C}.
{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

"As Terisiare's mines ran dry, scrap metal became increasingly plentiful."
—*The Antiquities War*

Battlefield Forge

{T}: Add {C}.
{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.

The boiling seas around Shiv provided a welcome layer of protection for the reclaimed Mana Rig.

Shivan Reef

{T}: Add {C}.
{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

Once a prosperous Vantress town, now swept clean and reclaimed by the waters of the wilds.

Flooded Strand

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

A graveyard for conquerors and conquered alike.

Bloodstained Mire

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

An underground paradise, bright and thriving beneath the surface of Ixalan.

Windswept Heath

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

Marsh Flats

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

Verdant Catacombs

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

Arid Mesa

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

Misty Rainforest

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

As their roots soaked in a weak tea of bogwater and decay, the trees absorbed the essence of death into their living tissue.

Twilight Mire

{T}: Add {C}.
{B/G}, {T}: Add {B}{B}, {B}{G}, or {G}{G}.

"Here did the Extinguisher steal the light from the world. Here will we sacrifice her to bring the Great Rekindling to our people."
—Illulia of Nighthearth

Graven Cairns

{T}: Add {C}.
{B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.

At full moon, the river seeps over its banks and crawls through the woods like a blanket of serpents.

Flooded Grove

{T}: Add {C}.
{G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.

Occupancy of the den changes from night to night as boggart gangs fight for control of a place they aren't willing to simply eat.

Fire-Lit Thicket

{T}: Add {C}.
{R/G}, {T}: Add {R}{R}, {R}{G}, or {G}{G}.

"Do not linger in such places, child. There the gwyllions dance. If they find you, you will join in their revels for eternity."
—Talara, elvish safewright

Fetid Heath

{T}: Add {C}.
{W/B}, {T}: Add {W}{W}, {W}{B}, or {B}{B}.

There is no glory to be gained in the kingdom of the dead.
—Vec tomb inscription

Ancient Tomb

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Thran Quarry

At the beginning of the end step, if you control no creatures, sacrifice Thran Quarry.
{T}: Add one mana of any color.

Swamp

Forest

Mountain

Island

Plains

Sliver

Sliver Queen

{2}: Create a 1/1 colorless Sliver creature token.

Squee had been disemboweled many times before, but never by something so stunningly beautiful.

Gemhide Sliver

All Slivers have "{T}: Add one mana of any color."

Their pearlescent scales are highly sought after by those who lack the instincts for self-preservation.

Manaweft Sliver

Sliver creatures you control have "{T}: Add one mana of any color."

Traveling across the desert alone, you might assume you'd see them coming, but that would be your third mistake.

Blur Sliver

Sliver creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

Gerrard looked all around for the source of the mysterious pulse, and at that moment the slivers boiled forth from the crevasses.

Heart Sliver

Homing Sliver

Each Sliver card in each player's hand has slivercycling {3}.
Slivercycling {3} ({3}, Discard this card: Search your library for a Sliver card, reveal it, put it into your hand, then shuffle.)

"Everything around here has cut a deal with gravity."
—Gerrard of the Weatherlight

Winged Sliver

Frenetic Sliver

All Slivers have "{0}: If this permanent is on the battlefield, flip a coin. If you win the flip, exile this permanent and return it to the battlefield under its owner's control at the beginning of the next end step. If you lose the flip, sacrifice it."

"The colossal thing rumbled over the ridge, tree husks crumbling before it. The ones we were already fighting howled as it came, their muscles suddenly surging, and we knew it was time to flee."
—Llanach, Skyshroud ranger

Might Sliver

As the muscle cords of the creature twitched, Hanna saw an unsettling unanimity in the others' rippling flesh. She didn't know what it meant, but she urged Sisay to keep the ship at a safe distance.

Sinew Sliver

Bred as living shields, these slivers have proven unruly—they know they cannot be caught.

Crystalline Sliver

All Slivers have shroud. (They can't be the targets of spells or abilities.)

Its call disrupts the delicate balance of the inner ear, disorienting intruders without direct confrontation.

Diffusion Sliver

Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}.

Though Volrath is long dead, the slivers have become everything he wanted them to be: mindless instruments of destruction and despair.

Necrotic Sliver

All Slivers have "{3}, Sacrifice this permanent: Destroy target permanent."

The first sliver burst against the cave wall, and others piled in behind to deepen the new tunnel.

Acidic Sliver

All Slivers have "{2}, Sacrifice this permanent: This permanent deals 2 damage to any target."

Like a great bellows it hisses, and its kin, both living and dead, are lifted to safety.

Pulmonic Sliver

All Sliver creatures have flying.
All Slivers have "If this permanent would be put into a graveyard, you may put it on top of its owner's library instead."

These slivers, trapped between worlds since the Rathi overlay, are among the last to claim direct lineage from the lost Sliver Queen.

Shadow Sliver

All Sliver creatures have shadow. (They can block or be blocked by only creatures with shadow.)

The first wave of slivers perished from the Riptide wizards' magic. The second wave shrugged off their spells like water.

Ward Sliver

As Ward Sliver enters the battlefield, choose a color.
All Slivers have protection from the chosen color.

"It triggers the hive's period of aetheric fertility—a time when even feeding is a lower priority than reproduction."
—Rukarumel, field journal

Dormant Sliver

All Sliver creatures have defender.
All Slivers have "When this permanent enters the battlefield, draw a card."

It doesn't need to use its venom—it just needs you to know it can.

Toxin Sliver

Whenever a Sliver deals combat damage to a creature, destroy that creature. It can't be regenerated.

"Species XR17 feeds upon the mental energies of its victims. This explains why the goblins remain unaffected."
—Riptide Project researcher

Synapse Sliver

Whenever a Sliver deals combat damage to a player, its controller may draw a card.

Brood Sliver

Within weeks, more slivers nested in Otaria than ever existed on Rath.

Whenever a Sliver deals combat damage to a player, its controller may create a 1/1 colorless Sliver creature token.

"Slivers are guided only by simple instinct. Advance the hive, and you will be welcomed. Impede the hive, and you will face unrelenting opposition."
—Freyalise

Telekinetic Sliver

All Slivers have "{T}: Tap target permanent."

"What wears down my people most, I think, is not the danger, but the endless screeching outside our camp."
—Merrik Aidar, Benalish patrol

Screeching Sliver

All Slivers have "{T}: Target player mills a card."

Coat of Arms

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Door of Destinies

As Door of Destinies enters the battlefield, choose a creature type.
Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies.
Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.

Herald's Horn

As Herald's Horn enters the battlefield, choose a creature type.
Creature spells you cast of the chosen type cost {1} less to cast.
At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

"Our recruitment drives are bringing in fewer fresh troops every day. We need a new strategy."
—Urza, to Tawnos

Urza's Incubator

As Urza's Incubator enters the battlefield, choose a creature type.
Creature spells of the chosen type cost {2} less to cast.

Icon of Ancestry

As Icon of Ancestry enters the battlefield, choose a creature type.
Creatures you control of the chosen type get +1/+1.
{3}, {T}: Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

"Someone's been tampering with the graves again. But what kind of grave robber uses a pickax?"
—Morgan, cemetery groundskeeper

Crypt Sliver

All Slivers have "{T}: Regenerate target Sliver."

"At first we thought we were in some haunted wood. Then the branches twisted and scuttled toward us."
—Merrik Aidar, Benalish patrol

Darkheart Sliver

All Slivers have "Sacrifice this permanent: You gain 3 life."

Descendants' Path

At the beginning of your upkeep, reveal the top card of your library. If it's a creature card that shares a creature type with a creature you control, you may cast it without paying its mana cost. If you don't cast it, put it on the bottom of your library.

Even before Teferi heard Wrenn's call, a few Zhalfirins were roused from sleep by a strange, otherworldly song.

Distant Melody

Choose a creature type. Draw a card for each permanent you control of that type.

Vanquisher's Banner

As Vanquisher's Banner enters the battlefield, choose a creature type.
Creatures you control of the chosen type get +1/+1.
Whenever you cast a creature spell of the chosen type, draw a card.

Kindred Discovery

As Kindred Discovery enters the battlefield, choose a creature type.
Whenever a creature you control of the chosen type enters the battlefield or attacks, draw a card.

"There's some new darkness in the air tonight. If I were you, I'd stay home and lock the doors."
—Ferrick, village warden

Patriarch's Bidding

Each player chooses a creature type. Each player returns all creature cards of a type chosen this way from their graveyard to the battlefield.

Kindred Summons

Choose a creature type. Reveal cards from the top of your library until you reveal X creature cards of the chosen type, where X is the number of creatures you control of that type. Put those cards onto the battlefield, then shuffle the rest of the revealed cards into your library.

"It is the nature of souls that they burn more brightly together than apart."
—Vessifrus, flamekin demagogue

Shared Animosity

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Amoeboid Changeling

Changeling (This card is every creature type.)
{T}: Target creature gains all creature types until end of turn.
{T}: Target creature loses all creature types until end of turn.

Every inch of a sliver's body is a potential claw, appendage, or projectile.

Thorncaster Sliver

Sliver creatures you control have "Whenever this creature attacks, it deals 1 damage to any target."

"The key to safely studying any sliver is to find out what provokes it, then absolutely never do that."
—Rukarumel, field journal

Spiteful Sliver

Sliver creatures you control have "Whenever this creature is dealt damage, it deals that much damage to target player or planeswalker."

The hive knows no fear or mercy, only hunger.

Syphon Sliver

Sliver creatures you control have lifelink. (Damage dealt by a Sliver creature you control also causes you to gain that much life.)

Slivers will swiftly adapt to fill any evolutionary niche, even if that niche is "earthshaking apex predator."

Megantic Sliver

The venom softens tissue and liquefies internal organs, allowing the slivers to feed freely without wasting time chewing.

Venom Sliver

Sliver creatures you control have deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

"A rift opened, and our arrows were abruptly stilled. To move was to push the world. But the sliver's claw still twitched, red wounds appeared in Thed's chest, and ribbons of blood hung in the air."
—Adom Capashen, Benalish hero

Fury Sliver

The slivers would survive, even at the expense of every other creature on Otaria.

Essence Sliver

Whenever a Sliver deals damage, its controller gains that much life.

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