Rotting Flagstones enters the battlefield tapped unless you pay .
: Add or to your mana pool.
: Add to your mana pool. Put Rotting Flagstones on top of your library.
When Rotting Flagstones enters the battlefield, scry 1.
.
: Add or 
to your mana pool.: Add 
to your mana pool. Put Rotting Flagstones on top of your library.
