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 - $82.50
Lightly Played Unlimited - $75.10
Moderately Played Unlimited - $67.70
Heavily Played Unlimited - $43.70
Damaged Unlimited - $34.70