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 - $108.20
Lightly Played Unlimited - $97.40
Moderately Played Unlimited - $75.70
Heavily Played Unlimited - $54.10
Damaged Unlimited - $43.30