: Search your library for a Swamp or Forest card and put it onto the battlefield tapped. Shuffle your library, then put Obsidian Clump on top of it.
, Sacrifice Obsidian Clump: Add to your mana pool.
: Search your library for a Swamp or Forest card and put it onto the battlefield tapped. Shuffle your library, then put Obsidian Clump on top of it., Sacrifice Obsidian Clump: Add 
to your mana pool.
