Ruthless Nobunaga

Bushido 1 (Whenever this creature blocks or becomes
blocked, it gets +1/+1 until end of turn.)
Whenever a Samurai you control becomes
blocked, Ruthless Nobunaga deals 2 damage to defending player.
Life is but a dream. I regret not life nor fame. Even if
I may be called a demon, I shall unify the world.