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 - $45.70
Lightly Played Unlimited - $43.85
Moderately Played Unlimited - $39.65
Heavily Played Unlimited - $32.65
Damaged Unlimited - $23.30