(: Add or to your mana pool.)
When Farm Swamp enters the battlefield, sacrifice it unless you pay 1 life.
: Farm Swamp becomes a 2/2 white Cleric creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Farm Swamp becomes a 2/2 white Cleric creature until end of turn. It's still a land.
