10/4/2004: It targets the player and each of the cards. Thus, it is only a "spell with one target" if you choose to target zero cards.
10/4/2004: Does not trigger the "if moved to the graveyard" ability if this card is discarded from your hand.
10/4/2004: When cast as a spell, you can't choose this card as one of the targets. This is because you choose the targets when casting this spell, and this spell does not go to the graveyard until after it resolves.
4/1/2008: You must target a player. You may target zero, one, two, or three cards in that player’s graveyard.