When Slagheap Flagstones enters the battlefield, you lose 2 life unless you reveal a colorless card from your hand. When Slagheap Flagstones enters the battlefield, put a land you control on the bottom of its owner's library. : Add  to your mana pool. : Slagheap Flagstones becomes a 1/1 red and white Troll creature with first strike until end of turn. It's still a land.