(: Add or to your mana pool.)
Whenever Murmuring Oasis becomes tapped, it deals 1 damage to you.
, , Sacrifice Murmuring Oasis: Put a -1/-1 counter on target creature.
, : You gain 2 life.
: Add 
or 
to your mana pool.), , Sacrifice Murmuring Oasis: Put a -1/-1 counter on target creature.
, : You gain 2 life.
