Blur Sliver

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

Shadow Sliver

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

Turn Aside

Counter target spell that targets a permanent you control.

Evolving Wilds

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Manamorphose

Add two mana in any combination of colors.
Draw a card.

Sentinel Sliver

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

Metallic Sliver

Two-Headed Sliver

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

Manor Gate

This land enters tapped.
As this land enters, choose a color other than green.
{T}: Add {G} or one mana of the chosen color.

Citadel Gate

This land enters tapped.
As this land enters, choose a color other than white.
{T}: Add {W} or one mana of the chosen color.

Talon Sliver

Muscle Sliver

Horned Sliver

Spinneret Sliver

Gemhide Sliver

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

Winged Sliver

Feed the Swarm

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Ponder

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

Forest

Aphotic Wisps

Target creature becomes black and gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)
Draw a card.

Bonesplitter Sliver

Crashing Drawbridge

Defender
{T}: Creatures you control gain haste until end of turn.

Clot Sliver

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

Sign in Blood

Target player draws two cards and loses 2 life.

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.)

Lancer Sliver

Sliver creatures you control have first strike.

Night's Whisper

Heart Sliver

Predatory Sliver

Island

Ash Barrens

{T}: Add {C}.
Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Black Dragon Gate

This land enters tapped.
As this land enters, choose a color other than black.
{T}: Add {B} or one mana of the chosen color.

Frenzy Sliver

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

Basal Sliver

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

Crypt Sliver

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

Sinew Sliver

Cleaving Sliver

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.)