You can only activate this card during the Damage Step of the Battle Phase that a Fiend-Type monster on your side of the field attacks or is attacked. Pay Life Points (in multiples of 100 points) to decrease 1 of your opponent's monster''s ATK and DEF by the same amount of points until the End Phase of that turn.
Near Mint Unlimited - $0.30
Lightly Played Unlimited - $0.30
Moderately Played Unlimited - $0.20
Heavily Played Unlimited - $0.20
Near Mint 1st Edition - $0.40
Lightly Played 1st Edition - $0.30
Moderately Played 1st Edition - $0.30
Heavily Played 1st Edition - $0.20