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 - $89.30
Lightly Played Unlimited - $80.30
Moderately Played Unlimited - $71.40
Heavily Played Unlimited - $62.50
Damaged Unlimited - $44.70