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