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 - $68.20
Lightly Played Unlimited - $61.40
Moderately Played Unlimited - $54.60
Heavily Played Unlimited - $41.00
Damaged Unlimited - $34.10