Advanced format ruling
Soul Demolition
Card effect (current official text)You can only activate this card's effect when you have a Fiend-Type monster on your side of the field. Pay 500 Life Points to use this effect. Both players select 1 Monster Card from their opponent's Graveyard. Remove the selected cards from play.
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.