Advanced format ruling
Non Aggression Area
Card effect (current official text)You can only activate this card during your Standby Phase. Discard 1 card from your hand. Your opponent cannot Normal Summon, Set and/or Special Summon during his/her next turn.
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.