(: Add or to your mana pool.)
At the beginning of your end step, if you didn't cast any spells this turn, Murmuring Ruins deals 1 damage to you.
, , Sacrifice Murmuring Ruins: Put a -1/-1 counter on target creature.
, : You gain 2 life.
: Add 
or 
to your mana pool.), , Sacrifice Murmuring Ruins: Put a -1/-1 counter on target creature.
, : You gain 2 life.
