Blight of Vitae

Target opponent loses 1 life for each attacking creature you control. You gain that much life.
Spell Mastery - If there are two or more instants and/or sorcery cards cards in your graveyard, targeted opponent losses 2 more life and you gain 2 more life.
"The vitality of nature is a gift for all. If one is denied this, it must be taken by force."