When a monster would be Summoned, OR a Spell/Trap Card is activated: Pay half your Life Points; negate the Summon or activation, and if you do, destroy that card.
Near Mint Unlimited - $37.45
Lightly Played Unlimited - $35.60
Moderately Played Unlimited - $29.95
Heavily Played Unlimited - $18.75
Damaged Unlimited - $15.00