Law-Rune's Entrapment

Flash
When Law-Rune's Entrapment enters the
battlefield, exile targets instant or sorcery on the
stack until Law-Rune's Entrapment leaves the
battlefield. (An exiled spell will not resolve.).
{3}, Sacrifice Law-Rune's Entrapment: Counter
target instant or sorcery spell unless any player
pays {2}.