Yavimaya, Cradle of Growth

Each land is a Forest in addition to its other land types.

Scrubland

Path of Ancestry

This land enters tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Tundra

Cavern of Souls

As this land enters, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Tropical Island

Savannah

Taiga

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Reliquary Tower

You have no maximum hand size.
{T}: Add {C}.

Plateau

Vesuva

You may have this land enter tapped as a copy of any land on the battlefield.

Volcanic Island

Urborg, Tomb of Yawgmoth

Each land is a Swamp in addition to its other land types.