During either player's turn, when an effect of an opponent's monster is activated: You can detach 2 Xyz Materials from this card; negate the activation, and if you do, inflict 500 damage to your opponent.
NM-Mint 1st Edition - $0.30
Lightly Played 1st Edition - $0.30
Moderately Played 1st Edition - $0.20
Heavily Played 1st Edition - $0.20
Damaged 1st Edition - $0.20
NM-Mint 1st Edition Non English - $0.30
Lightly Played 1st Edition Non English - $0.30
Moderately Played 1st Edition Non English - $0.20
Heavily Played 1st Edition Non English - $0.20
Damaged 1st Edition Non English - $0.20