Advanced format ruling
Turbo Warrior
Card effect (current official text)"Turbo Synchron" + 1 or more non-Tuner monsters
When this card declares an attack on a Level 6 or higher Synchro Monster: Halve the ATK of the attack target until the end of the Damage Step. This card cannot be targeted by the effects of Level 6 or lower monsters.
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.