Christopher, Night's Lightning

Commander ninjutsu {1}{u}{b}
First Strike, Untouchable
When this creature deals combat damage to a
player, you may search your library for a ninja or dragon card and put it onto the battlefield tapped
and attacking. (That creature has its own combat
phase.)
When this creature attacks or deals combat
damage to a player, you may flip it.
Dragon and ninja creature cards in your hand
have ninjutsu {1}{u}{b}.