Advanced format ruling
Ancient Gear Fist
Card effect (current official text)Equip only to an "Ancient Gear" monster. At the end of the Damage Step, if the equipped monster battled a monster and is still on the field: Destroy the monster it battled.
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.