Korriban

Korriban enters tapped unless you reveal or control a Sith creature.

{t}: Add {u}, or {b}, or {r}.

"Korriban shall be as it always was. A graveyard for the darkest of the Sith Lords, still whispering within their tombs. It shall always be a source of evil, spawning threats throughout the millennia."
Darth Traya