Tengu format ruling
Yubel - The Ultimate Nightmare
Card effect (current official text)Cannot be Normal Summoned or Set. Must be Special Summoned by "Yubel - Terror Incarnate", and cannot be Special Summoned by other ways. This card cannot be destroyed by battle. You take no Battle Damage from battles involving this card. At the end of the Damage Step, if this face-up Attack Position card battles an opponent's monster: Inflict damage equal to that monster's ATK to your opponent, also destroy that monster.
Rulings
- When Yubel - The Ultimate Nightmare battles with a monster that cannot be destroyed by its effect, like Vennominaga, the Deity of Poisonous Snakes, Yubel - The Ultimate Nightmare's effect still inflicts damage but will not destroy the monster.
- When Yubel - The Ultimate Nightmare destroys a monster in battle, its effect still inflicts damage but the effect to destroy the monster it battled with disappears.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.