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 - $0.74
Lightly Played Unlimited - $0.71
Moderately Played Unlimited - $0.61
Heavily Played Unlimited - $0.53
Damaged Unlimited - $0.38