Declaration of Naught

Oracle Text

As Declaration of Naught enters the battlefield, choose a card name.

U: Counter target spell with the chosen name.

Card Rulings

4/1/2008 You can name either half of a split card, but not both. If a player casts the half with the chosen name, it can be targeted by the second ability. In addition, if a player casts a fused split spell with the chosen name, it can be targeted by the second ability.