Obsidian Encampment enters the battlefield tapped.
: Add to your mana pool.
: Add or to your mana pool. Each opponent gains 1 life.
, , Sacrifice Obsidian Encampment: Target player gets a poison counter.
: Add 
to your mana pool.: Add 
or 
to your mana pool. Each opponent gains 1 life., , Sacrifice Obsidian Encampment: Target player gets a poison counter.
