Advanced format ruling
Trojan Blast
Card effect (current official text)Activate only when an opponent's card effect shifts control of a monster from your side of the field to theirs. Destroy that 1 monster and inflict damage to your opponent equal to its ATK.
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.