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 - $175.10
Lightly Played Unlimited - $157.60
Moderately Played Unlimited - $140.10
Heavily Played Unlimited - $122.60
Damaged Unlimited - $105.10