Pacifism

Enchant creature
Enchanted creature can't attack or block.

Quick Sliver

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

Shifting Sliver

Slivers can't be blocked except by Slivers.

Plains

Forest

Mistform Dreamer

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

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.)

Lonely Sandbar

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

Island

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.)

Tribal Unity

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

Ward Sliver

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

Root Sliver

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

Explosive Vegetation

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

Plated Sliver

Essence Sliver

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

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.)

Brood Sliver

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