(: Add or to your mana pool.)
Foundry Flats enters the battlefield tapped.
: Foundry Flats becomes a 2/1 red and white Giant creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Foundry Flats becomes a 2/1 red and white Giant creature until end of turn. It's still a land.
