(: Add or to your mana pool.)
Secluded Ravine enters the battlefield tapped unless you sacrifice a Black permanent.
, Sacrifice a Swamp: Add to your mana pool.
, : Target creature gains haste until end of turn.
: Add 
or 
to your mana pool.), Sacrifice a Swamp: Add to your mana pool., : Target creature gains haste until end of turn.
