Ninjitsu Art of Transformation (SHVA-EN028) [Shadows in Valhalla]

Activate this card by Tributing 1 face-up "Ninja" monster; Special Summon 1 Beast, Winged Beast, or Insect-Type monster from your hand or Deck whose Level is less than or equal to the Level the Tributed monster had on the field +3. When this card leaves the field, destroy that monster.