Gemhide Sliver

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

Heart Sliver

Horned Sliver

Two-Headed Sliver

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

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."

Battering 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.)

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.)

Metallic Sliver

Bonesplitter Sliver

Spitting Sliver

Cleaving Sliver

Sliver Construct

Frenzy Sliver

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

Striking Sliver

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

Predatory Sliver

Basal Sliver

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

Mindlash Sliver

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

Reflex Sliver

Crypt Sliver

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

Venser's Sliver

Blur Sliver

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

Muscle Sliver

Spinneret 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.)

Quick Sliver

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

Clot Sliver

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

Barbed Sliver

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

Mr. Orfeo, the Boulder

Whenever you attack, double target creature's power until end of turn.