Labrynth Stovie Torbie

“(Quick Effect): You can send this card from your hand or field to the GY and discard 1 card; Set 1 "Labrynth" Spell/Trap from your hand or Deck. If a monster(s) leaves the field by your Normal Trap effect, while this card is in your GY (except during the Damage Step): You can Special Summon this card. You can only use each effect of "Labrynth Stovie Torbie" once per turn.”