When Murmuring Plains enters the battlefield, you lose 1 life unless you reveal a multicolored card from your hand. : Add  to your mana pool. Activate this ability only if you control a Swamp. : Add  to your mana pool. Activate this ability only if you control a Plains. : Murmuring Plains becomes a 0/4 white and black Skeleton creature with defender until end of turn. It's still a land.