(Tranquil Timberland isn't a spell.)

Tranquil Timberland enters the battlefield tapped unless you sacrifice a multicolored permanent.

Tranquil Timberland is indestructible. (Destroy effects and lethal damage don't destroy it.)

, Pay 1 life: Add  or to your mana pool.

, , Sacrifice Tranquil Timberland: Draw a card.