The activation and effects of "Altergeist" cards activated on your field cannot be negated. When your opponent activates a monster effect: You can send 1 other face-up "Altergeist" card you control to the GY; Negate the activation, and if you do, destroy it. You can only use this effect of "Altergeist Protocol" once per turn.
Near Mint / Lightly Played Unlimited - $1.00
Moderately Played Unlimited - $0.50
Heavily Played Unlimited - $0.50
Damaged Unlimited - $0.50
Near Mint / Lightly Played 1st Edition - $1.00
Moderately Played 1st Edition - $1.00
Heavily Played 1st Edition - $0.50
Damaged 1st Edition - $0.50