Advanced format ruling
Viser Des
Card effect (current official text)If this card is Normal Summoned: Target 1 monster your opponent controls; during your third Standby Phase after this effect's activation, destroy that monster. This card cannot be destroyed by battle while the targeted monster is 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.