Salt Marsh

This land enters tapped.
{T}: Add {U} or {B}.

Cloudshredder Sliver

Sliver creatures you control have flying and haste.

Dormant Sliver

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

Ward Sliver

As this creature enters, choose a color.
All Slivers have protection from the chosen color.

Shadow Sliver

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

Swiftwater Cliffs

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {U} or {R}.

Constricting Sliver

Sliver creatures you control have "When this creature enters, you may exile target creature an opponent controls until this creature leaves the battlefield."

Gateway Plaza

This land enters tapped.
When this land enters, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.

Coastal Tower

This land enters tapped.
{T}: Add {W} or {U}.

Sliver Queen

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

Plains

Bloodfell Caves

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {B} or {R}.

Toxin Sliver

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

Mountain

Arcane Sanctum

This land enters tapped.
{T}: Add {W}, {U}, or {B}.

Hollowhead Sliver

Sliver creatures you control have "{T}, Discard a card: Draw a card."

Akoum Refuge

Muscle Sliver

Bonesplitter Sliver

Mystic Monastery

This land enters tapped.
{T}: Add {U}, {R}, or {W}.

Necrotic Sliver

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

Crumbling Necropolis

This land enters tapped.
{T}: Add {U}, {B}, or {R}.

Blossoming Sands

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {G} or {W}.

Root Sliver

This spell can't be countered.
Sliver spells can't be countered.

Fungus Sliver

All Sliver creatures have "Whenever this creature is dealt damage, put a +1/+1 counter on it." (It must survive the damage to get the counter.)

Scuttling Sliver

Sliver creatures you control have "{2}: Untap this creature."

Nomad Outpost

This land enters tapped.
{T}: Add {R}, {W}, or {B}.

Sliver Hivelord

Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.)

Jungle Shrine

This land enters tapped.
{T}: Add {R}, {G}, or {W}.

Hunter Sliver

All Sliver creatures have provoke. (Whenever a Sliver attacks, its controller may have target creature defending player controls untap and block it if able.)

Tempered Sliver

Sliver creatures you control have "Whenever this creature deals combat damage to a player, put a +1/+1 counter on it."

Psionic Sliver

All Sliver creatures have "{T}: This creature deals 2 damage to any target and 3 damage to itself."

Frontier Bivouac

This land enters tapped.
{T}: Add {G}, {U}, or {R}.

Syphon Sliver

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

Crypt Sliver

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

Heart Sliver

Forest

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.)

Gemhide Sliver

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

Steam Vents

({T}: Add {U} or {R}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Jungle Hollow

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {B} or {G}.

Clot Sliver

All Slivers have "{2}: Regenerate this permanent."

Thornwood Falls

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {G} or {U}.

Graypelt Refuge

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."

Opulent Palace

This land enters tapped.
{T}: Add {B}, {G}, or {U}.

Sejiri Refuge

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {W} or {U}.

Talon Sliver

Telekinetic Sliver

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

Manaweft Sliver

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

Dismal Backwater

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {U} or {B}.

Megantic Sliver

Sliver Legion

All Sliver creatures get +1/+1 for each other Sliver on the battlefield.

First Sliver's Chosen

Sliver creatures you control have exalted. (Whenever a creature you control attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents you control.)

Harmonic Sliver

All Slivers have "When this permanent enters, destroy target artifact or enchantment."

Sidewinder Sliver

All Sliver creatures have flanking. (Whenever a creature without flanking blocks a Sliver, the blocking creature gets -1/-1 until end of turn.)

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Essence Sliver

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

Island

Synapse Sliver

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

Ghostflame Sliver

Spined Sliver

Whenever a Sliver becomes blocked, that Sliver gets +1/+1 until end of turn for each creature blocking it.

The First Sliver

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
Sliver spells you cast have cascade.

Mnemonic Sliver

All Slivers have "{2}, Sacrifice this permanent: Draw a card."

Banding Sliver

All Slivers have banding. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Seaside Citadel

This land enters tapped.
{T}: Add {G}, {W}, or {U}.

Jwar Isle Refuge

Bonescythe Sliver

Sliver creatures you control have double strike. (They deal both first-strike and regular combat damage.)

Brood Sliver

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

Opaline Sliver

All Slivers have "Whenever this permanent becomes the target of a spell an opponent controls, you may draw a card."

Shivan Oasis

This land enters tapped.
{T}: Add {R} or {G}.

Horned Sliver

Firewake Sliver

All Sliver creatures have haste.
All Slivers have "{1}, Sacrifice this permanent: Target Sliver creature gets +2/+2 until end of turn."

Crystalline Sliver

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

Sliver Hive

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a Sliver spell.
{5}, {T}: Create a 1/1 colorless Sliver creature token. Activate only if you control a Sliver.

Scoured Barrens

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {W} or {B}.

Quick Sliver

Flash
Any player may cast Sliver spells as though they had flash.

Wind-Scarred Crag

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {R} or {W}.

Hibernation Sliver

All Slivers have "Pay 2 life: Return this permanent to its owner's hand."

Elfhame Palace

This land enters tapped.
{T}: Add {G} or {W}.

Dregscape Sliver

Each Sliver creature card in your graveyard has unearth {2}.
Unearth {2} ({2}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Magma Sliver

All Slivers have "{T}: Target Sliver creature gets +X/+0 until end of turn, where X is the number of Slivers on the battlefield."

Sliver Overlord

{3}: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle.
{3}: Gain control of target Sliver. (This effect lasts indefinitely.)

Rugged Highlands

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {R} or {G}.

Basal Sliver

All Slivers have "Sacrifice this permanent: Add {B}{B}."

Two-Headed Sliver

All Sliver creatures have menace. (They can't be blocked except by two or more creatures.)

Exotic Orchard

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

Sandsteppe Citadel

This land enters tapped.
{T}: Add {W}, {B}, or {G}.

Savage Lands

This land enters tapped.
{T}: Add {B}, {R}, or {G}.

Shifting Sliver

Slivers can't be blocked except by Slivers.

Sentinel Sliver

Sliver creatures you control have vigilance. (Attacking doesn't cause them to tap.)

Kazandu Refuge

Sinew Sliver

Winged Sliver

Thorncaster Sliver

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

Tranquil Cove

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}.