(: Add or to your mana pool.)
When Grass-Catacomb enters the battlefield, return a land you control to its owner's hand.
, : You gain 1 life.
, , Sacrifice Grass-Catacomb: Put a -1/-1 counter on target creature.
: Add 
or 
to your mana pool.)
, : You gain 1 life., , Sacrifice Grass-Catacomb: Put a -1/-1 counter on target creature.
