Nanashi, Blight of Mirth

Nanashi, Blight of Mirth's power and toughness
are both equal to the number of samurai
you control. Whenever a samurai you control
attacks alone, Create X tapped and attacking
1/1 red human samurai creature tokens,
where X is Nanashi, Blight of Mirth's Power.
"I will not stop until death is upon you.
I will bring hatred and curses upon your people
until that day comes".