(: Add or to your mana pool.)
Rot Karoo enters the battlefield tapped unless you sacrifice a Spirit.
: Rot Karoo becomes a 2/1 black and white Skeleton creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Rot Karoo becomes a 2/1 black and white Skeleton creature until end of turn. It's still a land.
