(: Add or to your mana pool.)
Obsidian Hold enters the battlefield tapped unless you pay .
, Sacrifice a Swamp: Add to your mana pool.
: Put a 1/1 red Ogre creature token onto the battlefield.
: Add 
or 
to your mana pool.)., Sacrifice a Swamp: Add to your mana pool.: Put a 1/1 red Ogre creature token onto the battlefield.
