Advanced format ruling
Twin-Barrel Dragon
Card effect (current official text)When this card is Summoned: Target 1 card your opponent controls; toss a coin twice, and if the result is 2 Heads, destroy it.
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.