Grave Karoo enters the battlefield tapped.
: Add to your mana pool. Activate this ability only if you control a Swamp.
: Add to your mana pool. Activate this ability only if you control a Plains.
, , Sacrifice Grave Karoo: Destroy target Horror.
: Add 
to your mana pool. Activate this ability only if you control a Swamp.: Add 
to your mana pool. Activate this ability only if you control a Plains.
, , Sacrifice Grave Karoo: Destroy target Horror.
