Hiroshi, Shogun's Paragon

Whenever Hiroshi, Shogun's Paragon attacks,
you may have target Samurai you control gain lifelink until end of turn.
{r}{w}{t}: Until your next turn, prevent all damage
that would be dealt to target Samurai you control.
If that Samurai is Hiroshi, draw a card.
Whenever a Samurai you control with bushido
blocks or becomes blocked, you may have it gain
double strike until end of turn.