Dark Highlander

1 Fiend-Type Tuner + 1 or more non-Tuner Fiend-Type monsters Neither player can Synchro Summon. Once per turn: You can target 1 monster your opponent controls that is equipped with an Equip Card; destroy all Equip Cards equipped to that monster, and if you do, inflict 400 damage to your opponent for each card destroyed.

Fiend DARK Synchro Monster 7 synchro