Exotic Orchard

{T}: Add one mana of any color that a land an opponent controls could produce.

Forest

Simic Growth Chamber enters tapped.
When Simic Growth Chamber enters, return a land you control to its owner's hand.
{T}: Add {G}{U}.

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

{T}: Add {C}.
{T}: Add {U} or {B}. Underground River deals 1 damage to you.

Golgari Rot Farm enters tapped.
When Golgari Rot Farm enters, return a land you control to its owner's hand.
{T}: Add {B}{G}.

{T}: Add {C}.
{G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.

Shipwreck Marsh enters tapped unless you control two or more other lands.
{T}: Add {U} or {B}.

Deathcap Glade enters tapped unless you control two or more other lands.
{T}: Add {B} or {G}.

Woodland Cemetery enters tapped unless you control a Swamp or a Forest.
{T}: Add {B} or {G}.

Drowned Catacomb enters tapped unless you control an Island or a Swamp.
{T}: Add {U} or {B}.

Hinterland Harbor enters tapped unless you control a Forest or an Island.
{T}: Add {G} or {U}.

Dimir Aqueduct enters tapped.
When Dimir Aqueduct enters, return a land you control to its owner's hand.
{T}: Add {U}{B}.

{T}: Add {C}.
{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.

{T}: Add {C}.
{T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you.

{T}: Add {C}.
{B/G}, {T}: Add {B}{B}, {B}{G}, or {G}{G}.

Dreamroot Cascade enters tapped unless you control two or more other lands.
{T}: Add {G} or {U}.