Set: Synchron Extreme Structure Deck
Card Number: SDSE-EN039
Card Text: When a monster(s) 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 LP; negate the Summon or activation, and if you do, destroy that card.
Card Type: Counter Trap Card
Name: Solemn Warning