(: Add or to your mana pool.)
Boiler-Flagstones enters the battlefield tapped.
: Boiler-Flagstones becomes a 2/2 white Knight creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Boiler-Flagstones becomes a 2/2 white Knight creature until end of turn. It's still a land.
