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