Necromantic Thirst

Oracle Text

Enchant creature

Whenever enchanted creature deals combat damage to a player, you may return target creature card from your graveyard to your hand.

Card Rulings

10/1/2005 The target is chosen just after any creatures dealt lethal damage at the same time that the enchanted creature dealt damage have been put into the graveyard. That might include the enchanted creature itself, if it had trample and was blocked, for example.