Warrior Familiar

Can't be chosen by Blood Dragon Vampires.
A Warrior Familiar accompanies its master and fights to protect him. This magical bodyguard usually takes the form of a diminutive warrior or a tiny monstrous creature
At the beginning of the Close Combat phase, before hits are struck, the Familiar inflicts one Strength 5 hit on a single model chosen by the Wizard from among those in base contact with him.