Whenever a creature you control dies, you gain life equal to its toughness.

Disturb {B}{B}{B} (You may cast this card from your graveyard transformed for its disturb cost.)

Enchant Player

Whenever a creature enchanted player controls would be put into a graveyard from the battlefield, exile it instead. Enchanted player loses life equal to that creature's toughness and draws a card.

If Black Soul would be put into a graveyard from anywhere, exile it instead.