Goat 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.
Rulings
- If either player has no monsters in their GY, the effect of this card cannot be activated.
- If Kycoo the Ghost Destroyer is on the field, the effect of this card cannot be activated.
- Paying 500 LP is a cost.
- If the opponent chains to the effect of Soul Demolition with an effect that destroys all the Fiend monsters on your side of the field, the effect of Soul Demolition resolves because the activation conditions were correct at the time.
- If you chain the effect of Soul Demolition to Monster Reborn and remove the monster targeted by Monster Reborn from play, the effect of Monster Reborn disappears.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Goat forum — sourced change requests get reviewed.