Corpsefire Nebula

As Corpsefire Nebula enters the battlefield you may pay 2 life. If you don't, Corpsefire Nebula enters tapped.
{t}: Add {b}.

{t}: Add {u} or {r}. Only activate if you control an Island or Swamp.

In the heart of the Corpsefire Nebula, the dead do not rest — they burn, forever screaming into the endless night.