Shadow, Mercenary Assassin

Ninjutsu {2}{b}
Bloodthirst 1, Extort, Flanking, Shadow
When Shadow, Mercenary Assassin enters the battlefield, create a 2/1 Canine token named Interceptor who has "When Shadow, Mercenary Assassin takes damage, Interceptor deals damage
equal to its power to the source of that damage."
"..."