Vendetta

Oracle Text

Destroy target nonblack creature. It can't be regenerated. You lose life equal to that creature's toughness.

Card Rulings

6/15/2010 If the targeted creature is an illegal target by the time Vendetta resolves, the spell doesn’t resolve. You won’t lose life.
6/15/2010 The destroyed creature’s last existence on the battlefield is checked to determine its toughness.
6/15/2010 If the targeted creature isn’t destroyed due to totem armor’s effect, Vendetta continues to resolve. You lose life equal to the creature’s current toughness (after the Aura with totem armor has been destroyed).