(: Add or to your mana pool.)
When Obsidian Clump enters the battlefield, sacrifice it unless you pay 1 life.
, , Sacrifice Obsidian Clump: Put a -1/-1 counter on target creature.
, , Sacrifice Obsidian Clump: Destroy target enchantment.
: Add 
or 
to your mana pool.), , Sacrifice Obsidian Clump: Put a -1/-1 counter on target creature., , Sacrifice Obsidian Clump: Destroy target enchantment.
