Advanced format ruling
Soul of Purity and Light
Card effect (current official text)This card cannot be Normal Summoned or Set. This card can only be Special Summoned by removing from play 2 LIGHT monsters in your Graveyard. All monsters your opponent controls lose 300 ATK during their Battle Phase only.
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.