Flagstones Ruins enters the battlefield tapped unless you pay .
: Add or to your mana pool.
: Add to your mana pool. Put Flagstones Ruins on top of your library.
, , Sacrifice Flagstones Ruins: Destroy target White permanent.
.
: Add or 
to your mana pool.: Add 
to your mana pool. Put Flagstones Ruins on top of your library., , Sacrifice Flagstones Ruins: Destroy target White permanent.
