If your life total is 40 or higher Baobab isn't a creature.

At the beginning of your upkeep gain 1 life.

At the beginning of your upkeep if your life total is 40 or more, gain an additional 3 life.

At the beginning of your upkeep if your life total is 55 or higher, draw a card.

At the beginning of your upkeep if your life total 80 or higher, you win the game.