Pay half of your Life Points when your opponent either activates a Spell or Trap or summons a monster (including Special Summon) to negate the action and destroy all the cards involved.
Near Mint Unlimited - $18.80
Lightly Played Unlimited - $17.80
Moderately Played Unlimited - $16.00
Heavily Played Unlimited - $14.10
Damaged Unlimited - $13.20