Tengu 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.
Rulings
Equip only to an Ancient Gear monster. Destroy any monster that battles with it, at the end of the Damage Step.
- This card's effect does not target the monster it destroys.
- This effect activates in Substep 7 - End of the Damage Step.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.