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 - $153.30
Lightly Played Unlimited - $137.90
Moderately Played Unlimited - $122.60
Heavily Played Unlimited - $107.30
Damaged Unlimited - $76.60