Abattoir Ghoul

Set
Duel Decks: Blessed vs. Cursed
Rarity
Uncommon
Text
First strike Whenever a creature dealt damage by Abattoir Ghoul this turn dies, you gain life equal to that creature's toughness.
Legality
Legal in: Commander, Duel, Legacy, Modern, Penny, Vintage
Rulings
2011-09-22: You’ll gain life equal to the creature’s last known toughness before it died. For example, if Abattoir Ghoul deals 3 first-strike damage to a 7/7 creature and then you give the creature -5/-5 before the regular combat damage step, you’ll gain 2 life.