Plains

Island

Synapse Sliver

Whenever a Sliver deals combat damage to a player, its controller may draw a card.

Flooded Strand

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

Shifting Sliver

Slivers can't be blocked except by Slivers.

Forest

Root Sliver

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

Essence Sliver

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

Shared Triumph

As Shared Triumph enters, choose a creature type.
Creatures of the chosen type get +1/+1.

Ward Sliver

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

Windswept Heath

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Brood Sliver

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

Plated Sliver

Primitive Etchings

Reveal the first card you draw each turn. Whenever you reveal a creature card this way, draw a card.

Quick Sliver

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

Mistform Warchief

Creature spells you cast that share a creature type with Mistform Warchief cost {1} less to cast.
{T}: Mistform Warchief becomes the creature type of your choice until end of turn.