Advanced format ruling
Ruin, Queen of Oblivion
Card effect (current official text)You can Ritual Summon this card with "End of the World". When this attacking card destroys an opponent's monster by battle: You can activate this effect; this card can make a second attack in a row.
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.