Forum:Is This Trap woek or not???

Yo I just happen to have trouble !! When I was dueling with my frendz here is our status Me : 100 Lp     Frend: 3000 Lp     Battle area condition My Area has a trap : Magic Cylinder His Area has only a monster : White night dragon !!! Can I activate my trap or not??? Since white night dragon is null against trap or magic      to itself?