Advanced format ruling
Spirit Force
Card effect (current official text)During your opponent's turn, at damage calculation: Make the battle damage you take from this battle 0, then you can add 1 Warrior-Type Tuner monster with 1500 or less DEF from your Graveyard to your hand.
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.