Advanced format ruling
Reptilianne Viper
Card effect (current official text)When this card is Normal Summoned, you can select and take control of 1 face-up monster with 0 ATK your opponent controls.
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.