This card is unaffected by the effects of "Hole" Normal Trap Cards. If you activate a "Hole" Normal Trap Card (except during the Damage Step): You can add to your hand, or Special Summon, 1 "Traptrix" monster from your Deck, except "Traptrix Nepenthes". You can only use this effect of "Traptrix Nepenthes" once per turn.