Advanced format ruling
Judgment of Anubis

Card effect (current official text)When your opponent activates a Spell Card that would destroy a Spell/Trap Card(s) on the field: Discard 1 card; negate the activation, and if you do, destroy it, then you can destroy 1 face-up monster your opponent controls, and if you do that, inflict damage to your opponent equal to the destroyed monster's ATK on the field.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.