: Search your library for a Plains or Island card and put it onto the battlefield tapped. Shuffle your library, then put Arid Chamber on top of it.
, Sacrifice Arid Chamber: Add to your mana pool.
: Search your library for a Plains or Island card and put it onto the battlefield tapped. Shuffle your library, then put Arid Chamber on top of it., Sacrifice Arid Chamber: Add 
to your mana pool.
