Kali, the Dark Mother

In addition to this card's mana cost, you must also pay half of your life to play this card.
{1}{p/b}{p/b}: Destroy target permanent. You can only use this effect up to 3 times a turn.
{3}, {t}: Kali, the Dark Mother can attack each opposing creature next turn.
Each time Kali, the Dark Mother destroys a target sucessfully, you gain 2 life points.