Back-alley Samurai

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
When Back-alley Samurai blocks or becomes blocked by a creature with power 4 or greater, it gains double strike until end of turn.
"You didn't let me finish my drink. Looks like you're just trying to have a bad day."
- Zu Vale