Advanced format ruling
Cyber Barrier Dragon
Card effect (current official text)This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except with "Attack Reflector Unit". Once per turn, while this card is in Attack Position, your opponent's next attack is negated.
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.