Advanced format ruling
Defense Draw
Card effect (current official text)During your opponent's turn, at damage calculation: Make the battle damage you take from this battle 0, and if you do, draw 1 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.