Overgrown Farmland

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

Seaside Citadel

This land enters tapped.
{T}: Add {G}, {W}, or {U}.

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

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

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

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

{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.

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

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

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

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

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

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

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

({T}: Add {G}, {W}, or {U}.)
This land enters tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)

This land enters tapped unless you have two or more opponents.
{T}: Add {W} or {U}.

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

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

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