Arianna the Labrynth Servant

If this card is Normal or Special Summoned: You can add 1 "Labrynth" card from your Deck to your hand, except "Arianna the Labrynth Servant". If another monster(s) leaves the field by your Normal Trap effect (except during the Damage Step): You can draw 1 card, then you can apply this effect.
• From your hand, either Special Summon 1 Fiend monster, or Set 1 Spell/Trap.
You can only use 1 "Arianna the Labrynth Servant" effect per turn, and only once that turn.