Acidic Sliver

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

Victual Sliver

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

Necropotence

Skip your draw step.
Whenever you discard a card, exile that card from your graveyard.
Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

Mindwhip Sliver

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

Wrath of God

Destroy all creatures. They can't be regenerated.

Muscle Sliver

Badlands

The Rack

As The Rack enters, choose an opponent.
At the beginning of the chosen player's upkeep, The Rack deals X damage to that player, where X is 3 minus the number of cards in their hand.

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Hymn to Tourach

Target player discards two cards at random.

Mnemonic Sliver

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

Sliver Queen

{2}: Create a 1/1 colorless Sliver creature token.

Disenchant

Clot Sliver

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

Mind Warp

Look at target player's hand and choose X cards from it. That player discards those cards.

Elkin Bottle

{3}, {T}: Exile the top card of your library. Until the beginning of your next upkeep, you may play that card.

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.

Vampiric Tutor

Search your library for a card, then shuffle and put that card on top. You lose 2 life.