Advanced format ruling
Ninjitsu Art of Transformation
Card effect (current official text)Activate this card by Tributing 1 face-up "Ninja" monster; Special Summon 1 Beast, Winged Beast, or Insect 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.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.