When a Spell/Trap Card, or monster effect, is activated: Discard the same type of card (Monster, Spell, or Trap); negate the activation, and if you do, destroy that card.
Like New Unlimited - $1.00
Like New 1st Edition - $1.10
Light Played Unlimited - $0.70
Light Played 1st Edition - $0.80
Heavy Played Unlimited - $0.40
Heavy Played 1st Edition - $0.50