Advanced format ruling
The Dragon's Bead
Card effect (current official text)Discard 1 card from your hand. Negate the effect of a Trap Card that targets 1 face-up Dragon-Type monster and destroy the Trap Card.
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.