Gaigensui, Striking Hero/Trivia

Mana Arms 7 - Command Dragons (Each of these Command Dragon creatures has the Mana Arms ability that triggers on having 7 cards of the respective civilization in your mana zone.)
 * — Seal Do Leiy, Protection Hero
 * — Descartes Q, Logic Hero
 * — Tsumitobatsu, Misfortune Hero
 * — Gaigensui, Striking Hero
 * — Otoma=Kutto, Fang Hero