Witchstalker question

[ibtrickey]

 {Witchstalker}
What if an opponent casts a spell like {Glimpse the Unthinkable}?

[DrainCleaner]

{Witchstalker}
What if an opponent casts a spell like {Glimpse the Unthinkable}?

If they can somehow cast it on your turn, 1 trigger. Under normal circumstances, glimpse (being a sorcery) would be cast on its caster's turn, therefore not triggering the {Witchstalker}

[ibtrickey]

Thank you