Quick Sliver

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

Essence Sliver

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

Plated Sliver

Tribal Unity

Creatures of the creature type of your choice get +X/+X until end of turn.

Explosive Vegetation

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Forest

Mistform Dreamer

Flying
{1}: Mistform Dreamer becomes the creature type of your choice until end of turn.

Lonely Sandbar

Lonely Sandbar enters tapped.
{T}: Add {U}.
Cycling {U} ({U}, Discard this card: Draw a card.)

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Ward Sliver

As Ward Sliver enters, choose a color.
All Slivers have protection from the chosen color.

Island

Mage's Guile

Target creature gains shroud until end of turn. (It can't be the target of spells or abilities.)
Cycling {U} ({U}, Discard this card: Draw a card.)

Shifting Sliver

Slivers can't be blocked except by Slivers.

Akroma's Blessing

Choose a color. Creatures you control gain protection from the chosen color until end of turn.
Cycling {W} ({W}, Discard this card: Draw a card.)

Root Sliver

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

Brood Sliver

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

Plains

Crown of Vigor

Enchant creature
Enchanted creature gets +1/+1.
Sacrifice Crown of Vigor: Enchanted creature and other creatures that share a creature type with it get +1/+1 until end of turn.

Secluded Steppe

Secluded Steppe enters tapped.
{T}: Add {W}.
Cycling {W} ({W}, Discard this card: Draw a card.)