
1) Martial art 2) Ninjitsu 3) Stealthy martial art
Found on
https://www.crosswordclues.com/clue/ninjutsu

1) Ninjitsu
Found on
https://www.crosswordclues.com/clue/ninjutsu

This ability is written Ninjutsu (cost). If a player has a Ninja in hand and controls an attacking creature the opponent has declined to block, he or she may pay its ninjutsu cost, return the unblocked creature to his or her hand, and put the Ninja onto the battlefield tapped and attacking. Ninjutsu appears only in Betrayers of Kamigawa and only on...
Found on
http://en.wikipedia.org/wiki/List_of_Magic:_The_Gathering_keywords#Typecycl

While there are several styles of modern ninjutsu, the historical lineage of these styles is disputed. Some schools and masters claim to be the only legitimate heir of the art, but ninjutsu is not centralized like modernized martial arts such as judo or karate. Togakure-ryū claims to be the oldest recorded form of ninjutsu, and claims to have sur...
Found on
http://en.wikipedia.org/wiki/Ninjutsu

(from the article `martial art`) ...interested in combat concentrated on arts using the staff, everyday work implements (such as thrashing flails, sickles, and knives), and unarmed ...
Found on
http://www.britannica.com/eb/a-z/n/43
ninjitsu noun the traditional Japanese method of espionage; involves stealthy movements and the use of camouflage
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.