Bountiful Promenade

Bountiful Promenade enters tapped unless you have two or more opponents.
{T}: Add {G} or {W}.

Breeding Pool

({T}: Add {G} or {U}.)
As Breeding Pool enters, you may pay 2 life. If you don't, it enters tapped.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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

Overgrown Farmland enters tapped unless you control two or more other lands.
{T}: Add {G} or {W}.

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

({T}: Add {W} or {U}.)
Prairie Stream enters tapped unless you control two or more basic lands.

({T}: Add {G}, {W}, or {U}.)
Spara's Headquarters enters tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)

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

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

Sea of Clouds enters tapped unless you have two or more opponents.
{T}: Add {W} or {U}.

Sunpetal Grove enters tapped unless you control a Forest or a Plains.
{T}: Add {G} or {W}.

({T}: Add {G} or {W}.)
Canopy Vista enters tapped unless you control two or more basic lands.

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

Glacial Fortress enters tapped unless you control a Plains or an Island.
{T}: Add {W} or {U}.

({T}: Add {W} or {U}.)
As Hallowed Fountain enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {G} or {W}.)
As Temple Garden enters, you may pay 2 life. If you don't, it enters tapped.

Rejuvenating Springs enters tapped unless you have two or more opponents.
{T}: Add {G} or {U}.

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