Ravaged Flagstones enters the battlefield tapped unless you control an enchantment.
: Add or to your mana pool.
Put Ravaged Flagstones on top of your library: Add to your mana pool.
, Sacrifice Ravaged Flagstones: Add to your mana pool.
: Add 
or 
to your mana pool.
to your mana pool. , Sacrifice Ravaged Flagstones: Add 
to your mana pool.
