Plains

Screeching Sliver

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

Striking Sliver

Sliver creatures you control have first strike. (They deal combat damage before creatures without first strike.)

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.)

Negate

Island

Sliver Construct

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Mesmeric Sliver

All Slivers have "When this permanent enters, you may fateseal 1." (To fateseal 1, its controller looks at the top card of an opponent's library, then they may put that card on the bottom of that library.)

Dimir Signet

Golgari Signet

Lymph Sliver

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

Etchings of the Chosen

As this enchantment enters, choose a creature type.
Creatures you control of the chosen type get +1/+1.
{1}, Sacrifice a creature of the chosen type: Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Farseek

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Muscle Sliver

Bonesplitter Sliver

Gruul Signet

Grow from the Ashes

Kicker {2} (You may pay an additional {2} as you cast this spell.)
Search your library for a basic land card, put it onto the battlefield, then shuffle. If this spell was kicked, instead search your library for two basic land cards, put them onto the battlefield, then shuffle.

Ward Sliver

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

Horned Sliver

Izzet Signet

Aphetto Dredging

Return up to three target creature cards of the creature type of your choice from your graveyard to your hand.

Gemhide Sliver

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

Sinew Sliver

Rhythm of the Wild

Creature spells you control can't be countered.
Nontoken creatures you control have riot. (They enter with your choice of a +1/+1 counter or haste.)

Sliversmith

{1}, {T}, Discard a card: Create a 1/1 colorless Sliver artifact creature token named Metallic Sliver.

Spinneret Sliver

Ponder

Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.

Quick Sliver

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

Bladeback Sliver

Hellbent — As long as you have no cards in hand, Sliver creatures you control have "{T}: This creature deals 1 damage to target player or planeswalker."

Shadow Sliver

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

Heart Sliver

Lancer Sliver

Sliver creatures you control have first strike.

Kodama's Reach

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.

Plated 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.)

Sentinel Sliver

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

Enduring Sliver

Outlast {2} ({2}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
Other Sliver creatures you control have outlast {2}.

Synchronous Sliver

Predatory Sliver

Groundshaker Sliver

Sliver creatures you control have trample. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)

Battle Sliver

Mountain

Herald's Horn

As this artifact enters, 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.

Crystalline Sliver

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

Watcher Sliver

Fusion Elemental

Boros Signet

Orzhov Signet

Rakdos Signet

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.)

Selesnya Signet

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."

Mnemonic Sliver

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

Two-Headed Sliver

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

Clot Sliver

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

Counterspell

Hive Stirrings

Create two 1/1 colorless Sliver creature tokens.

Frenzy Sliver

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

Virulent Sliver

All Sliver creatures have poisonous 1. (Whenever a Sliver deals combat damage to a player, that player gets a poison counter. A player with ten or more poison counters loses the game.)

Crypt Sliver

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

Azorius Signet

Beast Within

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Spitting Sliver

Forest

Cleaving Sliver

Battering Sliver

Command Tower

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

Simic Signet

Metallic Sliver

Distant Melody

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

Reflex Sliver

Swamp

Blur Sliver

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