Kazhul Bonecrusher

Menace, Slayer (The first time a creatures dies as the result of damage dealt by this creature, this creature becomes a Slayer in addition to its other types.)
As long as Kazhul Bonecrusher is a slayer it gets +2/+1 and "{ut}: Kazhul Bonecrusher fights target creature. Activate this ability only during your post combat mainphase."
Kill, Maim, Burn!