(: Add or to your mana pool.)
Forge Cavern enters the battlefield tapped.
, : You gain 1 life.
, , Sacrifice Forge Cavern: Put a -1/-1 counter on target creature.
: Add 
or 
to your mana pool.)
, : You gain 1 life., , Sacrifice Forge Cavern: Put a -1/-1 counter on target creature.
