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 - $40.80
Lightly Played Unlimited - $38.70
Moderately Played Unlimited - $34.70
Heavily Played Unlimited - $30.60
Damaged Unlimited - $28.50