Negate

Mortify

Mistform Sliver

All Slivers have "{1}: This permanent becomes the creature type of your choice in addition to its other types until end of turn."

Sinew Sliver

Ward Sliver

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

Crumbling Necropolis

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

Fellwar Stone

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

Spectral Sliver

All Sliver creatures have "{2}: This creature gets +1/+1 until end of turn."

Sandsteppe Citadel

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

Instruments of War

Flash
As this artifact enters, choose a creature type.
Creatures you control of the chosen type get +1/+1.

Cleaving Sliver

Tempered Sliver

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

Hollowhead Sliver

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

Seaside Citadel

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

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.)

Bonesplitter Sliver

Mystic Monastery

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

Basal Sliver

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

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}.

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.)

Lymph Sliver

All Sliver creatures have absorb 1. (If a source would deal damage to a Sliver, prevent 1 of that damage.)

Frenzy Sliver

All Sliver creatures have frenzy 1. (Whenever a Sliver attacks and isn't blocked, it gets +1/+0 until end of turn.)

Unclaimed Territory

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.

Eureka Moment

Draw two cards. You may put a land card from your hand onto the battlefield.

Distant Melody

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

Nomad Outpost

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

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."

Shifting Sliver

Slivers can't be blocked except by Slivers.

Belligerent Sliver

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

Hive Stirrings

Create two 1/1 colorless Sliver creature tokens.

Two-Headed Sliver

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

Might Sliver

Leeching Sliver

Whenever a Sliver you control attacks, defending player loses 1 life.

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.)

Sedge Sliver

All Sliver creatures have "This creature gets +1/+1 as long as you control a Swamp."
All Slivers have "{B}: Regenerate this permanent." (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Winged Sliver

Shadow Sliver

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

Savage Lands

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

Firewake Sliver

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

Reflex Sliver

Fury Sliver

Shamanic Revelation

Draw a card for each creature you control.
Ferocious — You gain 4 life for each creature you control with power 4 or greater.

Despark

Exile target permanent with mana value 4 or greater.

Commander's Sphere

{T}: Add one mana of any color in your commander's color identity.
Sacrifice this artifact: Draw a card.

Quick Sliver

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

Putrefy

Destroy target artifact or creature. It can't be regenerated.

Spinneret Sliver

Arcane Signet

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

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.)

Jungle Shrine

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

Spiteful Sliver

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

Search for Tomorrow

Search your library for a basic land card, put it onto the battlefield, then shuffle.
Suspend 2—{G} (Rather than cast this card from your hand, you may pay {G} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Crypt Sliver

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

Sentinel Sliver

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

Watcher Sliver

Manaweft Sliver

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

Opulent Palace

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

Cloudshredder Sliver

Sliver creatures you control have flying and haste.

Battering Sliver

Necrotic Sliver

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

Sliver Legion

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

Fact or Fiction

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

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."

Exotic Orchard

Lavabelly Sliver

Sliver creatures you control have "When this creature enters, it deals 1 damage to target player or planeswalker and you gain 1 life."

Darkheart Sliver

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

Megantic Sliver

Cultivate

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.