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 - $0.25
Lightly Played Unlimited - $0.23
Moderately Played Unlimited - $0.20
Heavily Played Unlimited - $0.13
Damaged Unlimited - $0.10