Are there cards like this for the other colors?

[ibtrickey]

 {Urborg, Tomb of Yawgmoth}
Are there cards like this for the other colors? If so, what?

[Spikepit]

 {Blood Moon}?

[ibtrickey]

Any others?

[ibtrickey]

And the bad thing is that blood moon makes urborg a mountain:(

[MisterJH]

{spreading seas}

I dont recal any that affects a bunch of lands but i dont have an extensive inventory of mtg in my brain

[The1337Magician]

 Quick search shows:
{Blanket of Night}
{Cyclopean Tomb}
{Naked Singularity}
{Quicksilver Fountain}

[Sparkle Ninja]

{Realmwrite}

[ibtrickey]

Toaster man... Haha

[particle]

{celestial dawn}.

[ibtrickey]

{celestial dawn}.

I like that

[ibtrickey]

Is there a global one for blue?

[particle]

you can {trait doctoring} {celestial dawn}. but i think {realmwright} is best option.

[ibtrickey]

I mean as in everyone's lands becomes an island. I want cards that make all lands only red, blue, or black.

[Sparkle Ninja]

{stormtide Leviathan}?