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 - $44.99
Lightly Played Unlimited - $38.99
Moderately Played Unlimited - $31.99
Heavily Played Unlimited - $26.99
Damaged Unlimited - $22.99