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 - $97.50
Lightly Played Unlimited - $87.80
Moderately Played Unlimited - $68.30
Heavily Played Unlimited - $43.90
Damaged Unlimited - $19.50