(: Add or to your mana pool.)
Whenever Rot Caldera becomes tapped, it deals 1 damage to you.
, , Sacrifice Rot Caldera: Put a -1/-1 counter on target creature.
: Put a 1/1 red Orc creature token onto the battlefield.
: Add 
or 
to your mana pool.), , Sacrifice Rot Caldera: Put a -1/-1 counter on target creature.: Put a 1/1 red Orc creature token onto the battlefield.
