Ninjitsu Art

Ninjitsu Art, known as Ninja Art in the Japan, is an archetype of Spell and Trap Cards. They are used by Yamikawa in Yu-Gi-Oh! ZEXAL, but members of the archetype has existed in the TCG before that. They are usually support cards for the "Ninja" archetype and are supported by one of their members "Armored Ninjitsu Art: Gold Conversion".