(: Add or to your mana pool.)
When Flagstones Springs enters the battlefield, sacrifice it unless you pay 3 life.
: Flagstones Springs becomes a 2/1 white and red Citizen Bird creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Flagstones Springs becomes a 2/1 white and red Citizen Bird creature until end of turn. It's still a land.
