Edison format ruling
Night's End Sorcerer

Card effect (current official text)When this card is Special Summoned: You can target up to 2 cards in your opponent's GY; banish them.
Rulings
- Night's End Sorcerer's effect can be activated when it is Special Summoned during the Damage Step.
- Night's End Sorcerer's effect cannot be activated when it is Special Summoned face-down (with The Shallow Grave, etc.).
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.