When a Spell/Trap Card, or monster effect, is activated while you control an "/Assault Mode" monster: Negate the activation, and if you do, destroy that card.
Near Mint Unlimited - $0.80
Lightly Played Unlimited - $0.70
Moderately Played Unlimited - $0.60
Heavily Played Unlimited - $0.40
Damaged Unlimited - $0.30