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 - $58.20
Lightly Played Unlimited - $55.30
Moderately Played Unlimited - $49.50
Heavily Played Unlimited - $43.70
Damaged Unlimited - $40.80