(: Add or to your mana pool.)
Underground Atoll enters the battlefield tapped.
, , Sacrifice Underground Atoll: Put a -1/-1 counter on target creature.
, : Put a 1/1 blue Crab creature token with flying onto the battlefield.
: Add 
or 
to your mana pool.), , Sacrifice Underground Atoll: Put a -1/-1 counter on target creature.
, : Put a 1/1 blue Crab creature token with flying onto the battlefield.
