When Havenwood Tomb enters the battlefield, you lose 2 life unless you reveal a Treefolk card from your hand.

When Havenwood Tomb enters the battlefield, put a land you control on the bottom of its owner's library.

: Add  to your mana pool.

: Havenwood Tomb becomes a 2/1 green and black Leech creature until end of turn. It's still a land.