Solemn Warning is a Rare Trap Card card from Yu-Gi-Oh! (Duelist League 18 participation cards, DL18). Current market price: $0.32.
Rare
Duelist League 18 participation cards (DL18)
Card Text
When a monster(s) would be Summoned, OR when a Spell/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 it.
