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 / Lightly Played Unlimited - $5.50
Moderately Played Unlimited - $5.00
Heavily Played Unlimited - $4.50
Damaged Unlimited - $3.50
Near Mint / Lightly Played 1st Edition - $5.50
Moderately Played 1st Edition - $5.00
Heavily Played 1st Edition - $4.50
Damaged 1st Edition - $3.50