When a monster would be Summoned, OR when a Spell Card, Trap Card, or monster effect is activated that includes an effect that Special Summons a monster(s): Pay 2000 Life Points; negate the Summons or activation, and if you do, destroy that card.
Near Mint Unlimited - $5.50
Lightly Played Unlimited - $5.00
Moderately Played Unlimited - $4.40
Heavily Played Unlimited - $3.30
Damaged Unlimited - $2.80