Lekka, the Kind Hearted

Flash
When Lekka, the Kind Hearted enters the battlefield, prevent all damage to all creatures you control and you gain life to how much damage
you prevented this way.
When Lekka, the Kind Hearted would attack or block, look at the top three cards on the top of your library. You may put a creature on the battlefield this way and put the rest on top of your library in any order. Otherwise, draw a card.