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 - $93.40
Lightly Played Unlimited - $84.10
Moderately Played Unlimited - $74.70
Heavily Played Unlimited - $65.40
Damaged Unlimited - $46.70