Either player can pay 800 Life Points to negate the Special Summon of a monster(s), and/or an effect that Special Summons a monster(s) and destroy those cards.
Near Mint Unlimited - $14.99
Lightly Played Unlimited - $12.99
Moderately Played Unlimited - $10.99
Heavily Played Unlimited - $8.99
Damaged Unlimited - $7.99