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