Kaniel Sky Domes

This land enters the battlefield tapped,
unless you control another land called
Golden City.
{t}: Add {w} or {b} to your mana pool. {w}{w} or {b}{b} if you control the Golden City.
The Golden City is Rathkul's most affluent cities
and within it it houses the base of all debt collectors operations, the Kaniel Sky Domes built by the even
more affluent Kane.