Mindwhip Sliver

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

Leeching Sliver

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

Clot Sliver

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

Basal Sliver

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

Thriving Moor

Thriving Moor enters tapped. As it enters, choose a color other than black.
{T}: Add {B} or one mana of the chosen color.

Mindlash Sliver

All Slivers have "{1}, Sacrifice this permanent: Each player discards a card."

Spitting Sliver

Plague Sliver

All Slivers have "At the beginning of your upkeep, this permanent deals 1 damage to you."

Vampiric Sliver

All Sliver creatures have "Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature."

Syphon Sliver

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

Swamp

Spectral Sliver

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

Crypt Sliver

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

Toxin Sliver

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

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.)