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 - $14.10
Lightly Played Unlimited - $12.70
Moderately Played Unlimited - $11.30
Heavily Played Unlimited - $9.20
Damaged Unlimited - $7.10