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