Heartstone

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Forest

Swamp

Brood Sliver

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

Barbed Sliver

All Sliver creatures have "{2}: This creature gets +1/+0 until end of turn."

Mnemonic Sliver

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

Imagecrafter

{T}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Muscle Sliver

Crypt Sliver

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

Acidic Sliver

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

Clot Sliver

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

Winged Sliver

Plated Sliver

Quick Sliver

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

Mountain

Victual Sliver

All Slivers have "{2}, Sacrifice this permanent: You gain 4 life."

Horned Sliver

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.)

Plains

Soul Warden

Whenever another creature enters, you gain 1 life.

Regrowth

Return target card from your graveyard to your hand.

Root Sliver

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

Far Wanderings

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
Threshold — If seven or more cards are in your graveyard, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

Talon Sliver

Island

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.)

Spectral Sliver

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

Essence Sliver

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

Harsh Mercy

Each player chooses a creature type. Destroy all creatures that aren't of a type chosen this way. They can't be regenerated.

Crystal Quarry

{T}: Add {C}.
{5}, {T}: Add {W}{U}{B}{R}{G}.

Synapse Sliver

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

Mindwhip Sliver

All Slivers have "{2}, Sacrifice this permanent: Target player discards a card at random. Activate only as a sorcery."

Spined Sliver

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

Dwell on the Past

Target player shuffles up to four target cards from their graveyard into their library.

Worship

If you control a creature, damage that would reduce your life total to less than 1 reduces it to 1 instead.