Advanced format ruling
All-Out Attacks
Card effect (current official text)If a monster(s) is Special Summoned while this card is face-up on the field: Change that monster to face-up Attack Position, and must attack, if able, during the turn they are Special Summoned.
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.