Solemn Warning - RA02-EN078 (PlScR) (yugioh)
Counter Trap
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.
Attack: -
Defense: -
Attribute: TRAP