Advanced format ruling
Disciple of the Forbidden Spell
Card effect (current official text)When this card is Summoned, declare different Monster Card Attributes equal to the number of "Disciple of the Forbidden Spell"(s) in your Graveyard. If this card attacks a monster that has a declared Attribute, destroy the monster with this card's effect without applying damage calculation.
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.