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