(: Add or to your mana pool.)
When Swamp Flagstones enters the battlefield, return a land you control to its owner's hand.
: Swamp Flagstones becomes a 2/1 black and white Rogue creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Swamp Flagstones becomes a 2/1 black and white Rogue creature until end of turn. It's still a land.
