Advanced format ruling
Disarm
Card effect (current official text)Return 1 "Gladiator Beast" card from your hand to the Deck, and negate the activation and effect of a Spell Card, and destroy it.
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.