Advanced format ruling
Chain Thrasher
Card effect (current official text)This card can attack 1 additional time during the same Battle Phase for each "Chain Thrasher" in your Graveyard.
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.