Advanced format ruling
Torapart

Card effect (current official text)This card cannot be used as a Synchro Material Monster, except for the Synchro Summon of a Warrior-Type Synchro Monster. If the Synchro Monster that used this card as a Synchro Material Monster attacks, your opponent cannot activate Trap Cards until the end of the Damage Step.
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.